look up any word, like blumpkin:
 
1.
Making fun of a guy's cock, or lack thereof, usually because it's too small or can't get hard.
Girl to Another: We should totally cock mock Kenny if we run into him tonite. He only has 4 1/2".

Another: 4 1/2"? How do you know the exact size?

Girl: Unfortunately, I measured it in person.

Another: I hope you didn't fuck a 4 1/2 incher!

Girl: No, I cock mocked him and told him to buy some panties, because he doesn't deserve to wear boxers.
by sarasplayroom.com June 11, 2010
 
2.
1) A young girl who dreams of getting a sex change so the can have a penis.

2) A girl who's already gotten a sex change so she could have a penis.

3) The butch of a lesbian couple.

4) The girl(s) who wear(s) a strap-on dildo during lesbian sex, treesome or orgies.

5) A girl who dresses like a boy thinking it will make her cooler.
Man that ugly little girl over there is a deffinate cock mock.
by Justyn Claar, Biatch! June 22, 2005