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Nasoff Sip is when you beg someone for a sip of their drink and once you get it, you end up drinking almost the entire drink
A: Dude let me have a sip of that Mountain Dew please. Just a little.

B: Fine. No Nasoff Sipping

A: -Chugs bottle-

B: Damnit I told You Not to Nasoff Sip. You Duesh Bag!
by clubkidxYz July 06, 2008
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