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to let a silent but really odiferous fart.
Don't go in that office, man- Clint just dropped ass.
by Hugh Jass February 07, 2003
To produce a huge turd which releases a most pungent and undesirable odor and sometimes sound.
Don't go in the shitter dude - Giles just dropped ass like Hiroshima in there.
by French Vanilla May 20, 2004