The most flexible swear word next to fuck. Can be used in a number of different ways (verb, noun, adverb, etc.). Also more acceptable to use in public and on TV than fuck, because it does not connect to sex in any way 99% of the sime. But is usually censored with it's less vulgar cousin crap, which can be used in almost every sense of shit...or it's even milder second-cousin "poop"
Also slang for feces. Any form of the word "shit" pertaining to feces is a literal form of the word. Examples of common context used found below. Check out South Park's "It Hits The Fan" for more details.
literal noun: I left shit in the toilet, so I gotta flush it.
non-literal noun: Sorry, I've got shit to do.
literal adjective: My underwear is shitty.
non-literal adjective: That movie was shitty, so don't see it.
literal expletive (sometimes): Bullshit!
non-literal expletive: Aw, shit!
literal verb: I just shitted (or shat) on myself.
non-literal verb (sometimes): Our team was shitted on in the playoffs.
There's also a piece of shit, chicken-shit, to know your shit, shit-for-brains, and the list goes on.
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