Bending over when releasing a giant fart.
MAN#1: Look at that old lady, I bet she's going to bend a quack

MAN#2: No she's not, she just picking up her car keys.

OLD LADY: Excuse me young man, where are the toilets? I've just shat meself on account of the quack I just bent.
by Sir Bartholomew McTavish April 25, 2010
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