dum-b

A retarded way of saying "dumb"- emphasis on the B.

"That's dum-b"
"You're dum-b"

by Chelz and MeL March 30, 2005

Dum b girl

A female who is dumber than a broken ziploc bag full of cat piss and who is also your 'B' or backup booty call on the rotation.

Hey bro, does dum b girl really expect us to believe that was mayonaise in her panties?

by Ranchgirls December 12, 2020