1 definition by LarkSprite

A buttload is 4.3 pounds. Usually describing how much ketchup you need at fast food places.
Person 1:How much ketchup do we need?
Person 2: A buttload
Person 1: That's 4.3 pounds, are you serious??
Person 2: Yes, everyone needs a buttload of ketchup.
Person 1: Oh you! Always on top of things.
by LarkSprite October 12, 2009
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