Top Definition
Adapted from the film hangover SMCB stands for suck on my Chinese balls
Hey Dave SMCB
by D-Dawg56 September 11, 2011
1 more definition
Acronym. Suck My Dick, Bitch.
Girl: Why are you so mean??
Boy: SMCB, AND STFU!
by sofbeats February 24, 2011

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