Yo' mama's so fat, when she jumped in the ocean, the whales started singing, "We are family!"
Here are some randomly selected joke topics
Wealthy
What do you call a an extremely wealthy old man who has changed his will six times in the last year?
A fresh heir fiend!
Snakes
What do you call a snake that works on a building site?
A boa constructor.
Months
Q. Some months have 31 days how many have 28?
all of them - all months have (at least) 28 days.
Birthdays
Bill: Today is my wife's birthday.
Phil: What are you getting for her?
Bill: Make me an offer!
Idiot
Did you hear about the idiot who thought the Cote d'Azur was a blue jacket?
Computers
"Virtual" means never knowing where your next byte is coming from.
Salad
What do you call a salad that is a coward?
A chicken salad.
Lunch
Knock, knock.
Who's there?
Harriet.
Harriet who?
Harriet my lunch so now I'm hungry.
Honk Your Horn
Honk you horn if you hate bumper stickers that say "Honk if ..."