Short for "No ass at all," used to describe a woman with a flat ass, typically used in the context of guys critically analyzing the aesthetics of women as they walk past.
Guy 1: "I see a potential dime coming this way, she's smokin' hot"
(girl walks past)
Guy 2: "ehhh she's pretty hot but that nazetall brings her down to a 7 or so"

Guy 1: "I don't know what it is about Steph, she's kinda cute but I feel like she's missing something."
Guy 2: "Nazetall ma dude... nazetall."
by YC125 July 18, 2013
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