The act of throwing up at very inappropriate times due to the overconsumption of alcohol and possibly a few other poor decisions.
He drank two bottles of wine before our class dinner in Spain, and then he weisenbecked on me at the professor's table.

Uh oh, Jon's drinking again. Where is he going to weisenbeck tonight?
by weisenbeck_victim January 26, 2011
Get the weisenbeck mug.