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2. Sick Nast
an adjective to describe something awesome
Geoff O'Callaghan is the sick nast
by Geoff Feb 22, 2004 add a video
1. sick nast
1. extremely disgusting,
2. a shortened version of sick and nasty
1. That sandwich is sick nast. Its been in your fridge for 5 months!
2. Jared told a porn joke, sick nast!! He's such a perv!
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