to mess up or ruin something, aka 'fucked up'. other alternatives, Flubbup, Flubbedup, Flub up, Flubbed.
Michael you fucking dipshit, you broke the clock!
sorry man, I flubbed up.
by Dj Rock Da House Down August 1, 2010
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Mess up. Make a mistake. Do something innocently that is in error, such as say the wrong thing.
by Massive Dynamic March 17, 2012
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