Here are some randomly selected joke topics
Aliens
What do you call a fat alien?
An extra cholesterol.
Cows
Why did the cow jump over the moon?
The milkmaid had cold hands.
Idiot
I'm not a complete idiot, some parts are missing!
A Monkey
If a monkey is just like his father, what is he frequently called?
A chimp off the old block.
Girlfriends
My girlfriend phoned me and said.. "Come on over there's nobody home." I went over. Nobody was home!
Politicians
Redundancy: An airbag in a politician's car!
Waiters
Customer: Waiter, what's this fly doing in my ice-cream?
Waiter: Looks like he's learning to ski.
Blondes
Q: What did the blonde say to the physicist?
A: "Why, I just _love_ nuclear fission! What do you use for bait?
An Inferiority Complex
He has an inferiority complex, but not a very good one.