Here are some randomly selected joke topics beginning with the letter 'B'
Bunnies
What do you get if you pour warm water down a rabbit hole?
Hot cross bunnies.
Bulldozer
What do you call a bull when it is sleeping?
A bulldozer.
Bull
Enraged Bull Injures Farmer With Axe
Bulb
He's not the brightest bulb on the Christmas tree.
Bun
Did you hear about the baker who got an electric shock?
He stood on a bun and a current ran up his leg.
Bulls
What do you call a bull when it is sleeping?
A bulldozer.