A large amount, especially of something worthless; a shitload(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "crapload" in a sentence
"PS - i'm the idiot who deleted my comment...i spelled 'crapload' as 'carpload' and i didn't want you to interpret it as 'a bunch of carp.' that doesn't make sense."
"And diverted a whole crapload of money from social programs to pay for it .."
"I think I can get a crapload of mileage out of that approach, the more I think about it."