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The act of staying up all night while playing Super Smash. Bros. Brawl.
Man 1: What did you do Saturday Night?
Man 2: I pulled a Brawlnighter.
Man 1: LAWL NERD
by From: ELEKIDx February 19, 2008
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Spending an entire night playing Super Smash Brothers Brawl with your friends, in a spirit similar to an all-nighter, usually accompanied by massive amounts of work or study.
Man I didn't get a wink of sleep last night; Me and my buddies held a Brawl-nighter.
by Lutzburg February 19, 2008
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