assload

noun3

1. •
   An amount carried by an ass (donkey).

   • In agreement with Sultan Wais of Sawad there was laid on the Kahraj people an impost of four thousand assloads of rice for the use of the army, and he himself was sent to collect it. — 1997
2. •
   (slang, vulgar) A large amount.

   • I done made you a assload of money. You know fuckin' well, nobody else in this city could move as much 'caine as the Diablos. — 2006
3. •
   An amount carried up someone's ass.

   • The smugglers thought they could get away with bringing an assload of heroin balloons on board the aircraft.