what you say after realizing you just did something stupid or just saw someone or something stupid or idiotic. similar to fail. coined by jamie l. u. the coolest girl i know.
alex: jamie, your knees are scraped and bleeding, are you alright?!
jamie: i just tripped over a curb and busted my ass, BRAINMPT!!
jamie: i just tripped over a curb and busted my ass, BRAINMPT!!
by alexxx420brainmpt!!! August 21, 2011