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1. nasti
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!"
2. NaSTI
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.
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