1. To start getting buck naked in prepartion for sex, usually the precusor to gettin' down, not really gettin' down but about to get down.

2. A male who is free with his body, often showing it off in public, cause he's nasty
1. Ay yo, Strawberry man, me and dis bitch was gettin' all buck nasty, then she sayz "you got protection?" I was like HELL NAW!

2. ay yo there is Tooth man gettin' all buck nasty at the beach!
by Mcdizzle fa Rizzle September 28, 2006
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No exact meaning. Just a slang word people can use in any way.
cool, trippen, slang, unreal, hella
Dude that shirt your wearing is hella Buck Nasty!!
by smallsdjlfjf June 3, 2010
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