1 definition by Ravejocky

Top Definition
To slap your partners forhead with your cock while cumming during oral sex.
To perform an MC Hammer you MUST be standing up- UNDER THE CONDITION that your partner does NOT want you to cum in her mouth.

Right before orgasm you shake your legs and say "uhoh! uhoh, uhoh-uhoh! STOP!" - Pull out - Begin to bang your dick on her forhead while cumming and say "HAMMER TIME!"
by Ravejocky January 11, 2008
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.