Our cat makes love to the big blue feather duster… in the middle of the floor. He’s not the shy type. Also I can be walking through the room, and he will suddenly pounce from his hiding place under the table and attack my feet.
My cat Manny loves food. He will try almost anything and he usually likes it. However, if you try and offer him anything unacceptable (like, say, a pickle) he pulls back and gets this disgusted look on his face - like a sneer. I just imagine him saying “WTF is this that you’re trying to poison me with?”
He loves the dog’s food and often eats out of his bowl if the dog doesn’t finish his food.
Oliver is right now biting his nails. He extends a claw, grasps it between his teeth, and pulls with all his might. He will do this for upwards of an hour before he feels like he is done and it is time to nap.
Joey tries to get my attention by being a little bastard. Rather than, say, meowing or rubbing up against my leg he chooses to climb on the furniture and knock everything on the floor. When I look up at him he then jumps down onto the ground and slinks against the floor as though he is afraid of being punished.
Noodles is a talker. Often during the evening he’ll run into the basement where everybody is and starts meow-yelling for no reason at all. When he’s got our attention he’ll just flop there until we’ve resumed whatever we were previously doing and then start yelling again.
Where the hell have you been for the last 4+ years??
Moriarty is obsessed with the flaps of boxes. If he sees one he HAS to go over and whap at it indefinitely. It’s hilarious to watch, it honestly looks like he just can’t help himself. He’ll slow down…speed up… look a bit bored with it and turn his head but his little paw just keeps wapping away. My husband made an animated GIF of it that he uses as an LJ icon: http://ev0lyeti.livejournal.com/profile
He even does it with loose sheets of paper you hold out in front of him and sometimes wrapping paper on the floor. He has an addiction.
Mr. Spock sits up and begs. Which is unusual enough for a cat, but what is weird is he will beg inanimate objects. My bookshelf. A hockey jersey hanging on the wall. I have told him when the ceiling fan comes down to pet him, I am leaving.
My cat goes potty whenever I go potty. It’s absolutely hilarious. Every time I go in the bathroom, she comes in behind me, rubs up against my leg, then goes in her litter box to do her thing while I’m doing mine. Cats is weird.
Mine does this butt dance before he attacks. He is the first cat I have ever had, so for all I know all cats do this.
Right before he is about to attack something, he gets very focus lays on his stomach with his butt in the air and wiggles it. It is almost like he keeps switching feet… and after a few times of that… he charges his object. Normally it is my ankles.
I don’t know if it’s strange, but it’s funny! My cat likes to play with the shower on the shower curtain (Youtube link with sound)
Deisil is the only cat I have ever had who sighs with frustration… Bird can be seen in back yard through window… He watches it for a while and then gives off a VERY human sounding sigh and walks away…
See bird, can’t go get bird… SIGH!
FML
Our cat Suzy sometimes has a twitching fit when she is washing herself. She acts as though she is being attacked by a colony of ants and then starts running around the room. After a couple of minutes she calms down.
As for that butt dance, Suzy does that when she is about to ambush our long-suffering dog.
Echo bites her nails too. She pulls really hard and makes a lot of noise. She also cries loudly when I run a tub. It’s like she needs to sound an alarm.
Julius sits in open windows and chirps at birds and squirrels.
Ashley prefers to sleep on her back with her legs in the air.
Crash will still be looking for the laser pointer dot 20 minutes after we’ve turned it off. While meowing pitifully.
For some reason, Cato doesn’t like sleeping on soft comfortable blankets and cushions. He seems to prefer sleeping in empty cardboard boxes! If something arrives in a box, as soon as the contents are removed he jumps in… I think he has a box fetish.
He used to bring in furry animals. He brough in a quite large dead rat, and on another occasion a live mouse. Fitting a bell to his collar put a stop to those antics. At least the mice and birds have a chance to get away now.
Theo will not drink out of a water dish, no matter how fresh the water. He’ll only drink if someone turns the tap of the kitchen or bathroom sink on for him, and then he’ll lap directly from the faucet. Since he doesn’t bother to turn the faucet off, this whole process requires that he comes up to me, meows in an annoying fashion, and then follows me until I turn the tap on, at which point I have to stand there and watch him drink so I can turn the tap off when he’s done.
I got a great fountain at the pet store (on clearance) which stopped this nonsense.
Our boy cat doesn’t realize that his back end belongs to him. He loves to hide under things, but his hind end is always sticking out - so you walk into a room and see a grey butt and a stripey tail protruding from under the bed, under the altar, under the sofa…It’s like seeing a furry Hummer parked in a compact parking space.
The girl cat is really weird in that she’s completely normal. Killed a bird once, doesn’t like doors closed, wants her water fountain instead of a bowl, but absolutely nothing strange…well, okay, she does have a fondness for teriyaki beef jerky, but she’s a former alley cat, so I figure it tastes like childhood to her. Other than that, she’s the most textbook normal cat you’ve ever met. And that’s weird!
Meet our kitty, Emma (well, her belly at least).
Meet our first kitty, Mew in the backgammon box (doesn’t get much harder than that), and Emma in the file storage box.
Meet my father-in-law’s kitty, Ras
Meet Emma’s feet. 
Cats is definitely weird.
Charlie, our very large orange tabby, also has a box fetish. He loves sleeping in boxes – ideally, ones that are approximately cat-sized, but he has no problems with ones that are approximately half-a-cat-sized. I’ve seen him squeeze his lardy furball ass into a box not even half his size, and look smug doing it. He looked like a furry muffin top.
Charlie will also do the Stevie Wonder head roll if I skritch his hindquarters vigorously.
Charlie also does not meow. He barks. Short, high-pitched, sharp little reports - the kind of little yippy noises sounds many cats make when they see something they really, really want to chase down and kill – only all the time.
He likes being squirted with a water bottle. He hates being bathed, but he likes being squirted.
Charlie is weird.
My cat’s weirdest thing - she loves to get picked up and spun around in the laundry basket. She hops in the second I empty it to do laundry, and mewls when I’m finished spinning her around as if to say, “More!”
My husband’s cat has two weird ones: the first one is her picking up and bringing my husband whatever foam toys we have in the house (which we buy just for her, so she can carry them around). She used to lug this huge foam bat around - it was bigger than she is! While she’s carting the stuff around, she makes a very weird, loud mewling moan. When she’s in the right mood, we’ll wake up to all the foam toys lined up at the bedroom door in the morning.
Her second weirdness is her love of licking wet hair. If you lie down beside her with hair fresh out of the shower, she’ll get on your head and lick for minutes at a time.
Oh yeah, she also likes feet and shoes. Three, three weirdnesses.