butt-load 

n. The amount that can be loaded into the buttocks while causing minimal discomfort. This measurement is not constant but varies depending on the individual. Related factors include rectal diameter, anal elasticity, and cheek-to-hole ratio.

Susie's rear was in pain the next day after taking a full butt-load the previous night.

butt-load by Clifford Cocks April 13, 2006

butt-load 

A count of something. In this case, 21.

Man, thats a butt-load of screws.

butt-load by iron June 8, 2004

butt-load 

to have a large amount of stuff/items
(slang)

usually more than 20

I just ate a butt-load of food.

butt-load by and_he_said_what? September 19, 2009

butt-load 

An actual unit of measurement equal to that of six seams or roughly 450 gallons.

We filled the hot tub with a butt-load of ball pit balls.

butt-load by Rabid Golfcart March 29, 2011

butt-load 

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.

butt-load by Fizz :) April 13, 2006

butt-load 

Generally referred to as a large amount of something, especialy money.

"A butt-load chad? How much is a butt-load? Da Doug! 1000 Dollars. Based on the fact this one time I shoved 5 dollars up my butt and I know I could fit way more up there. Way more! Easy!

butt-load by Jefferson October 5, 2002

butt-load 

Taking a huge dump.

Whew, after that butt-load, I feel 50 pounds lighter!

butt-load by mracuraintegra November 5, 2003