Is a
text acronym for, "Suck My Dick
Biatch." Usually used after someone texts you SMH or when someone irks, irritates, or just
plain pisses you off.
Cute Girl: You're such a lazy stinky Mexican. SMH.
Manny: SMDB! Get back in the kitchen!
or
Mom: Take out the
trash and clean the dishes. NOW! You stupid lazy
beaner.
Manny:SMDB! I'm playing video games
hoe!