1 definition by UB-UB-UB

UB

A baby that is so ugly (Ugly Baby) that it is cute.

"Oh look at that UB" person 1
"Wow, he's such an UB" person 2
"Thanks! What's a UB" confused mother
"It just means he's cute" person 1

by UB-UB-UB November 17, 2011