Shall we meet for an SD walk?
I went to an SD garden party.
There was no SD at that illegal rave.Did you see the non existent SD on the beaches?
by Wemyssy June 26, 2020
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Also Known As A "Smooth Dip" - to dip off in a smooth fashion as to avoid someone.

You im bout to SD on these muthafuckas
by Dave609 April 21, 2008
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Also S.D. - Sugar Daddy, or a dating male who will spend lavish amounts of money on the recipient, typically a female. This may take the form of cash, presents or luxury items bought to keep the recipient happy.
by Andy the bald bartender April 11, 2008
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Serious Discussion. Used in the internet forums to describe a thread. It is used to discuss serious topics, not for whoring. In this type of threads generally there is a lot of arguing.
(SD) How many more children must die in schools before america says no to guns?
by morrissey02 April 21, 2007
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Same Day. Used when describing tv ratings - live and same day.
Number of viewers Live+SD.
by cableguytk October 18, 2007
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