2 definitions by Fizz :)
Acronym for: Fuck If I Know
by Fizz :) March 5, 2006
The metric unit used for measuring masses in the quanities that one average-sized butt can hold. Can also be with the subfixes... kilobutt-load, megabutt-load, nanobutt-load, and so on. Gay people like to use this as a reference.
Jack: Yeah so I found this apple in the store, it was HUGE! Probably about one megabutt-load!
Sally: Whoa, maybe if youre gay.
Sally: Whoa, maybe if youre gay.
by Fizz :) March 3, 2006