Top Definition
The most massive poop the human body can produce without cellular-level rupture. Terashits and petashits are only theoretically possible, though there has been some questionable internet documentation of said large bowel movements.
ZOMG! I got cellpix of this Gigashit I took last night, check it out. Look at the curl, man, I should contact Guinness!
by Jaegerian September 22, 2008

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