another way of saying a large amount;
if said by a male, it has a dual effect by saying a large amount while giving credit to the size of his "large" penis
originates from buttload, assload, shitload, fuckload, etc.
"You have any weed?"
"I have a crotchload."
"A crotchload? Does that mean you have alot?"
"I don't know, ask your mom."
A brand of sweatpants with humorous logos displayed over the crotch region where the humor is often based on innuendos and lightly crude sexual references.
Guy 1: "Was that a squirrel on that guys sweatpants?"
Guy 2: "Yeah man, its reaching for his nuts! It's one of the new crotchgear designs"