Why did the farmer start a punk rock band?
He was tired of haulin’ oats!
(Hat tip: Gregg Turkington)
My dad’s version was “Hay is for horses, better for cows.”
Dad jokes can also reference TV shows from the prehistoric age before the internet. Ginger or MaryAnn is sone that comes to mind.
I always figured dad jokes were predominately family friendly and all ages.
Straw’s cheaper, grass is free, marry a farmer you get all three.
Hmm, I don’t know what happened.
Straw’s cheaper, grass is free, marry a farmer you get all three.
What did George Washington say before they got in the boat to cross the Delaware?
“Men get in the boat!”
Meta: I tell dad jokes.
Sometimes he even laughs.
Actually, he said something funnier. But I’ll have to dig through the Chernow to find it. It was ruder, too.
Ooo, do. I’ve been telling that joke for 40+ years. I’d like to surprise someone with a different punch line. 
I went looking for the quote, and am beginning to suspect it is not accurate. It would be good for a joke, though. And it is “oft repeated”. It concerns Henry Knox.
Whenever I see a cemetery I always say “people are dying to get in”. I can hear everyone in the cars eyes rolling.
I wouldn’t be caught dead in one of those.
There was a local lake that was infamous for outbreaks of swimmer’s itch. It happened to have a cemetery on top of a large hill and back several yards above it. My dad would always quip during a swimmer’s itch outbreak that it was the juice from the dead people running down into the water.
My dad’s go to dad’s joke was “How many dead people are buried in that cemetery?”
All of them.
Whenever I see reports of a landslide, I say “That real estate is really moving!”
Victim: Well…
Dad: That’s a deep subject, bahahah.
Vic: So…
Dad: Sew a pair of kitten britches, lolololoil!
I usually respond to “So…” by singing “A needle pulling thread”.
Person: So…
My dad: Sew stitches and sew your mouth shut.
“I ran into Bob Jenkins on the way home.”
“Oh no, was he hurt?”
Real life example: whenever I would stub my toe as a kid, my dad would always say “uh oh, better call the tow truck”.
A classic dad joke I then inflicted on my kids when they were little.
My intention wasn’t to disparage the thread; rather, it was to offer a way to accumulate an answer that can’t suffer from individualistic understanding, as general discussion benefits from individualistic understanding. Regardless, I apologise and won’t make such posts in the future.
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As for my answer to the question (gained from a browser): A dad joke is a joke, typically a pun, often presented as a one-liner or a question and answer. Generally inoffensive, dad jokes are told with sincere humorous intent or to intentionally provoke a negative “groaning” reaction to their overly simplistic humor. Dad jokes are called dad jokes because they are stereotypically thought to be jokes a father or someone like a father would tell to a child.