Acronym for National Strategy for Trusted Identities. Pronounced the same as "nasty".
Some people have started referring to the proposed "National Strategy for Trusted Identities" as NaSTI, as both a time saver and as an opinion.
by empathy4uTM January 11, 2011

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Top Definition
Nasti is when something is gross, or nasty, but when you add the "i" at the end, it becomes slutty-ier.
Bob: "That girl Candi is sooo nasti"
Jimmy: "True dat brotha, nasti!"
by Definitely Raining April 24, 2008

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Soft and offensive. Just like you.

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Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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