Top Definition
A noise made when you see an attractive member of the opposite sex.
1) "Wow, that Bosley girl sure has a cute face. Numnumnum."
by jkeelz April 10, 2008
Holding the hand in a fist to one's mouth to show a blowjob.
Person 1:"How do you show a blowjob?"
Person 2:"Well it's kind of like...numnumnum."
by Lys-Lys March 21, 2005
Free Daily Email

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

Emails are sent from We'll never spam you.