I've heard some far-fetched stories of the origin of the word crap.
What is its real origin?
Crap was originally used to mean (according to the Oxford English Dictionary):
This meaning is circa 1440. It was also used to mean:
This meaning is dated around 1490. In any case, the term was used to mean "rejected or left matter, residue, dregs, dust." However, the OED is not sure whether all the senses of the word were tied to the same roots, even though they share a common notion. They write,
The slang usage of the term dates from 1970.
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