The last name of "Thomas Nast," a German Cartoonist who is credited for creating the elephant and donkey representatives for the republican and democratic political parties of the United States of America, respectively.
See also: Thomas Nast
"Yo bitch, that shit is Thomas Nast, king of Nast, Nast."
by A2Molly June 11, 2005
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short for the word 'nasty'.
"Ew! That is so nast."
by Laurie *is hot* April 9, 2005
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Magic: I just stuck my penis into that tree!
Jenna Jameson: You are so NAST!!!
Magic: Am I?!?!? (in a sexual tone)
Jenna Jameson: Ohhh Magic... stop that, ohh... uhhh... awww now there's nast all over my face.
by MagicDonJuan November 29, 2004
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Extremely nasty. When someone does something really unpleasant or unappealing you call them Nast.
Trump is Nast.
by Mas that got chicks. February 3, 2017
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Adj. a shortened form of the word nasty. 1. awesome; badass; sick; of, having, or being something so far beyond amazing that it is practically nauseating.

2. repulsive; used to describe something truly disgusting.

NOTE: One can infer the intended meaning from context (i.e. situation, tone, body language, etc.).
1. "Ohhoho, nast!" Dave yelled, amazed by his teammate's awesome move.

2. After tasting the meat loaf, Sarah groaned in disgust, "Aw, nast..."
by Matt March 29, 2005
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an abbreviation of the word nasty, but sounds more hip and refers more to a situation or event.
that test was so nast, i think i failed

"have you heard that jake and brielle are dating?"
"but he's so small and she's so big!"
"i know, its nast."
by burgison November 5, 2006
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