Country Dictionary

The average amount of weight that can be carried by an ass (or donkey) for a full day of travel.

Make sure not to overdo that assload, we have a long way to travel.

An extremely large amount that is beyond any other word, and so one can only resort to using a profanity. The subject being described also usually annoys the hell out of you.

Michael: "Hey, so you wanna go grab some drinks tonight?"

Jerry: "Nah, man, I can't. I have a test tomorrow, and I need to catch up on, like,.... an assload of homework."

more than a lot but less than a shitload

man, i have an assload of reading for history tonight.

A whole bunch of.

This is true except for when referring to TP in which case it is a lot less then what you might think.

Nate: Dude, bring me some TP.
Penguin: Well, how much do you need?
Nate: Are you serious? A fuck'n roll.
Penguin: We have to conserve. Al Gore, Remember.
Nate: Holy shit! I need at least three assloads, maybe four. So figure it out Penguin or I'll wipe my ass with your pillow.

The burden that can be borne by one's ass (Equus asinus)

And he said unto his sons, Saddle me the ass. So they saddled him the ass: and he rode thereon, and was an assload. (Kings 1, 13:13)

More than a lot and a ton. but less than a shitload and a fuck-ton.

Wow that is an assload of money

the amount of an object one could fit into their ass.

He could fit 20 ping-pong balls in his ass. It was quite an assload.