Here are some randomly selected joke topics beginning with the letter 'M'
Multiplication
What are the longest pieces of furniture in a school?
The multiplication tables.
Mum
What do you call a man and woman who keep showing you up in front of your friends?
Mum and Dad!
Muggers
How many New Yorkers does it take to screw in a light bulb?
Five - one to change the bulb and four to protect him from muggers.
Mugged
Yo' mama's so stupid, she got hit by a cup and told the cops she got mugged!
Multitasking
Multitasking - screwing up several things at once.
Mule
what do you get if you cross a cow with a mule?
Milk with a kick to it.
Mum
This kid said to me, 'My dad can beat your dad up.'
I said to him, 'That's nothing. So can my mum.'
Mugged
Yo momma's so stupid, she got hit by a cup and told cops she got mugged.