N. 1. An extremely large quantity of anything that takes up space. 10x bigger than an assload , and 100x bigger than a shitload , yet smaller than a truckload.
adj. The greatest amount imaginable. Much more than a heap, a fuckton, an asston, an assload, and even a shitload, or any other word meaning "a great quantity."
a large load, of about 108 imperial gallons (491 liters). From the middle-english 'butt' (n), which is a large cask/container used for storing liquids, esp wine
A very large quantity in an unusual number or configuration (otherwise it would be an ordinary/English buttload). Compare: metric shitload and metric fuckton, which both designate a very large, but expected, quantity.