Stupid Dumb Nigga, a nigga that just don't know when to stop playing the fool. Usually wants to be a know-it-all or smart-ass, but is clearly missing 3/4 of his teeth. Demands quite a lot of attention and is especially loud when doing any thing in particular.
"Dude, what the fuck is up with these SDNs?! These man don't know when to stop being retarded!"
by Antonio GHG April 16, 2007
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"Hey baby, I'm feeling a typa way tonight,"
"Oh yeah? What can I do?"
"Just SDN babe"
by YoloBroda March 15, 2015
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Acronym for: Stop Drop N Skank

1)
A 7 piece punk ska band created in 2005 in the underground GTA (Greater Toronto Area) Ska scene. Includes two trombones, two guitarists, one trumpeteer and one base player along with a drummer. They have had at least one line up change since they were formed. They play very happy ska, simmilar to that of Streetlight manifesto. A pretty kick-ass band.

2) The practise of spontaneously bursting into skankin at the sound of ska music.
YO did you go skank @ the SDNS ska show last friday? it was fuckin kick ass skankin awesome.

by Saib0tx March 13, 2009
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It's upside down, upside down...but without the 'i' mistake.
umop ap!sdn is the best thing since 5318008 on a basic calculator!
by Renegade0894 March 27, 2015
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It's upside down, upside down...
umop ap!sdn is the best thing since 5318008 on a basic calculator!
by Renegade0894 March 27, 2015
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Small 🍆 🥷🏽’s
Dior always talks to SDN’s
by Unknown.prettygirl June 12, 2023
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