Here are some randomly selected joke topics beginning with the letter 'B'
Beef
What do call a steer without legs?
Ground Beef!
Bee
What does a bee call his wife?
Honey.
Bee
Knock Knock.
Who's there?
Bee.
Bee who?
Bee ever so careful out there!
Beep
Knock, knock.
Who's there?
Cargo.
Cargo who?
Car go beep beep beep!
Bee
Doctor, Doctor, I keep thinking that I'm a bee.
Doctor: Sorry, I'm too busy to see you right now. Can you give me a buzz later?
Bedbugs
At what time of year do bedbugs like to get married?
In the spring.
Bedtime
What did the mama cow say to the baby cow?
It's way pasture bedtime.
Beef
Q: What do you call a cow that is laying on a barn floor?
A: Ground Beef
Bedtime
Wife: Why do you always think about golf at bedtime?
Husband: It putts me to sleep.