Noun. crapton (plural craptons) (slang, mildly vulgar) A very large amount.

What's a metric crap ton?

a metric shit ton

rude slang A staggeringly huge amount (of something). ... I've got a metric shit ton of work to catch up on.

How much is a crap?

Most toilet paper companies use virgin trees, and consume loads of energy and water to process the trees into toilet paper. You can buy a box of Who Gives A Crap for $30 (for 24 rolls) or $48 (for 48 rolls).