Urban Dictionary: Nast

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 28, 2004

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nast

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 05, 2006

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Nast

(Noun) A member of the opposite sex (typically female) who is below one's normal standard for engaging in sexual intercourse. Most times this is used to describe a sexual partner the speaker is ashamed of in some way, but still wants to brag about.

Also: Man-Nast, Nast Hunting, NH4L

"Dude, I got some nast last night. It was raw."

"Lets go hunting for nast!"

by NH4L February 17, 2010