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The small plastic insert on most liquor bottles, which prevents pouring mass quantities of alcohol out at once.
Guy 1: Hey man can I get a pull of that admiral nelson?

Guy2: Yea dude here ya go.

Guy1: O WTF? you still got the fun saver in it.

Guy2: Yea I know, Im a pussy
by Foleyloaded May 02, 2009
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