It doesn’t matter what you call it: it won’t come back.
Two guys walk into a bar. The third one ducks.
If it doesn’t come back, it was never really yours. 
What do you call a girl having her period?
Flo.
What’s this? 
Madame Palm and her five daughters.
Venison’s dear isn’t it?
For sale: baby shoes, never worn.
That’s not a joke. It’s a famous answer to “what is the shortest story ever written”.
What’s brown and steaming and comes out of cows?
The Isle of Wight Ferry.
You probably have to be British to get it. The chief town and ferry port on the Island is called Cowes.
Buddhist monk, to hotdog vendor:
“Make me one with everything”
@terentii - You missed one of the elephant jokes… so taking liberties with the 10 word limit to complete the ‘elephant trio’
What do you do when a herd of elephants comes over the hill?
Swim
The result of breeding an elephant and a rhinoceros?
Elephino.
The Onion’s headlines-only articles sometimes work for this. My personal favourite:
Jurisprudence Fetishist Gets Off on Technicality
My astronaut girlfriend dumped me.
Said she needed more space.
Cleopatra quote: “I’m not prone to argue”
“I met the surgeon general. He offered me a cigarette”.
Rodney Dangerfield
Buy two coffins and get one baby coffin free!
This one made me laugh!
Rectum? It nearly killed him!
Q. What’s Piglet’s favorite movie?
A. The Days of Swine and Roses
Same monk: “I gave you $20!”
“Change comes from within…”
Doctor, I’m addicted to twitter!
Sorry, I don’t follow you…