Shit
1. Noun. Excrement; feces; the byproduct of having an ass and eating.

Antonyms: Piss, Pee, Numero Uno.
Synonyms: Crap, Dung, Scat, Numero Dos
2. Noun. Care, usually used in conjunction with "I don't give a..."
Antonyms: (I dunno shit about the Antonyms in this regard; XD)
Synonyms: Fuck, Crap.
3. Noun. Anything; something; usually relating to knowledge.
Antonyms: (see #2)
Synonyms: Something, information, jack
4. Noun. Bad things, or sometimes just things in general.
Antonyms: Awesomeness
Synonyms: Fuck ("Mexicans still get shit for the fuck at Alamo," Bright) Crap, Bad Stuff.
5. Noun. Vulgar insult
Antonyms: Saint
Synonyms: Fucker, Cunt, Bitch,
6.Verb. The act of relieving oneself; using the good ol' porcelain throne.
Antonyms: (see two)
Synonyms: Crap
7.Adj. Though better suited for shitty: a form of shit, shit can and is used as an adjective meaning the same thing as shitty; bad, horrid, crummy.

Antonyms: Perfect, Impeccable.
Synonyms: Shitty, Crappy, Pain in the ass
8. Interjection.Used to express pain, worriedness, or any other form of distress.
Antonyms: (See two)
Synonyms: Fuck, Motherfucker, (insert assorted swears here)
1. "Why do I see shit? Is flushing such an alien concept?"
2. Nerd: "The square root of--"
Guy sitting next to Nerd: "Shut the fuck up, man; I don't give a shit.
3. *cops interrogating drug dealer*
Cop: "Where the fuck is the crack?!"
Dealer: "I DON'T KNOW SHIT, MAN!"
4. Complainer: "I just lost my job, my house, and my marriage."
Friend: "Shit happens, man.
5. "YOU'RE NOT ONLY A CUNT, BUT A DUMB-ASS SHIT!
6. Guy: "Where were you, man?"
Dude: "Takin' a shit down the hall."
7. *Asshole walks in an hour late*
Jackass: "Shit timing, Asshole."
8. *realizes the test's tomorrow morning at 10 PM*
"FUCKING SHIT!"