To crap in one's trousers; to defecate in one's own clothing; to poop in your pantaloons; to shit your pants, in other words.
"He pulled out his gun and he pointed it (at me) and said step back and that's when I dropped my doughnuts," said the deliveryman, who asked to remain anonymous.
by ComputerKing May 14, 2005
Get the Dropping your doughnutsmug.