Coming from the abbreviated hospital Term:
Special Needs Department, Suggesting someone is a couple sandwiches short of a picnic! e.g a bit thick.
Person: Do you want red or blue?
SND: Err...... green please.
Person:.........(said quietly).......snd.....
by Supaflypie July 04, 2005
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Person: SND is soooo cool and funny youtuber
SND: you know it
by SirObama March 23, 2021
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Special Needs Drunk

A term describing a person that needs special attention when they get drunk, usually from his/her friends.
Yarv: Shooty, you were such an SND last night. You got kicked out of the bar for trying to steal a beer sign. Then you tried to convince the cops that the bouncers planted the sign in your pants. I had to drag your ass down the street and you punched a wall and broke your hand.
by Shooty January 06, 2006
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The game mode that seems to have a population of at LEAST 60% children(ages 3-10).
Me: "I'm gonna play some SND in MW2"
My friend: " Why would you do that?"
Me: "To mess with little kids."
by sekretguy777 November 15, 2010
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