3 definitions by Someone...Someone.

#SDTS
Shut down, talk sh*t.

This can be done over messaging, or in person.
It's when a guy tries talking to a girl, gets shut down, so he talks sh*t about her.
Random guy: "Hey babe"
Girl: "......ummmmm.....who tf are you?"
Random guy: "B*tch you asshole who TF are YOU?!"
Girl: "I don't even know you???! Don't act like you know me. Dang, #SDTS."
by Someone...Someone. June 10, 2014
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1) Abbreviation for "signature"
2) Suck It Good (Almost like SMD)
SMD and SIG!
OMG! He did NOT just say that.
by Someone...Someone. December 16, 2010
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