shemp slap

When you get slapped so hard across the head or face that your hair get's messed up.

Look at Cory's hair, he just got shemp slapped.

shemp

A euphemism for being an absolute fucking moron.

Person 1: *does something retarded*
Person 2: You fucking shemp

Shemp

The act of ejaculating in someone’s buttcheeks, and then sucking it out with a straw

I totally shemped Jesse the other day