Top Definition
An endurance race requiring a full bottle of NyQuil and one full tank of gas. The winner is judged by the person who drinks the entire bottle of NyQuil and runs out of gas the fastest. Usually results in accidents and DUI's.
Dude what happened to your car?!
I got challenged to a NyQuil Endurance Race last night...
I take it you lost?
by SuperSlooth May 14, 2007
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