A fake person or someone who claims a special or different background from the real one. A person who claims a certain hood or city that they've never been to.
That girl from the grouphome who said she was from San Francisco is just a nack.
by Ken H. Johnson August 2, 2006
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Drew:Steve Im gonna nack u
Steve: Drew, Nack me all night long
by Cordeiro March 12, 2005
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to hit someone or something.

to slap
im gonna nack you!

He nacked me!
by Andrew Flowers March 18, 2008
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The idea of or situation pertaining to someone getting fiercely anally raped
man, that drunk girl at the party got sooo nacked by those guys with a screwdriver
by Cordeiro March 12, 2005
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A slang word for a females vagina.
Suck on my nack nack.
by DoMmy LiGzZ February 1, 2006
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When you're beyond lit, beyond shit faced. Usually the last stage before blackouts.
Damn, did you see Jimmy? He was hella nacked last night
by thinking of summer November 6, 2017
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