Definitions by umberest.

umber 

erotically retarded.
retarded in the way that you don't understand erotic situations.
created by ant <3

dude 1 - "oh look, cleavage."
dude 2 - "thats boobs, not cleavage. dumbass."
dude 1 - "you umber."

umber by umberest. August 10, 2010