Numbass

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 4, 2015

Numbass

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

NUMBASS

Northwestern University Marching Band Alto Saxophone Section

Did you see NUMBASS's perfect fast entry? Yeah, me neither.

by NUMBASS1991 April 5, 2010