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1.
the girl's version of smd, smnd means "suck my nonexistant dick"
girl 1: ugh you're such a slut! you slept with him on your first date!
girl 2: no i didn't, where did you hear that?
girl 1: he's telling everyone that will listen.
girl 2: well he can smnd, cause i didn't do anything with him last night
by LoveTMB888 July 15, 2011
 
2.
Acronym for "Suck My Nigger Dick"

Comes from the root word, smd.
Jon knows how to smnd very well.
Jonathan smnd NOW!
Smnd like a king.
Shuck muh niggierdiack bietch!
Dude, stfu and just smnd...
Nty? well idc nub, get on your knees NOW.
by [-Stephen-] October 21, 2007