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A girl who can never stay awake at parties or sleep overs and uses the most lamest excuse for being tired. this is contagious as others may also come down with it as the night goes on.

Similiar to weaksauce.
*wen falls asleep on the bed*
Person1: wen get up you're wensaucing!
Wen: STFU bro, i been up since 5am
Person1: wensauce...
by hetrosexual180 October 10, 2010
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