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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An all night party playing Super Smash Bros. Brawl, for the Nintendo Wii.
Man, that Brawlnighter was intense!
by Kitoro February 19, 2008
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