Top Definition
Someone who's numb in the brain, closely related to the term "dumbass".
Jennifer: I can't find my keys!
Ella: they're in your hand, numbass.
by Eeboo April 04, 2015
Northwestern University Marching Band Alto Saxophone Section
Did you see NUMBASS's perfect fast entry? Yeah, me neither.
by NUMBASS1991 April 04, 2010
A term used when describing someone who just had anal sex.
Tyler: 'Have you seen Shane today?
Andrew: 'No I haven't. I heard he had anal with Cullan last night.'
Tyler: 'Wow, he's such a numbass.'
by MissMakayla(: May 30, 2010
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.