Definitions by Clifford Cocks

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