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2.
Best; worst; most tubular; most heinous.
Dude, that meter maid just ticketed my car even though I had put money in the meter. She's the biggest.
by Eric December 01, 2004
 
1.
1)The ultimate in fail.
2)short for "Biggest Nub Ever!"

Biggest Nub Ever was shortened to Biggest Nub, then some people got lazy, and shortened it to just "BIGGEST"
*Peter Steals Camera, and gets caught*
Cam:OH! BIGGEST!
by Johny Sak May 11, 2006