shit 
(shĭt) Vulgar Slang
(shĭt) Vulgar Slang v. shit also shat (shăt), shit·ting, shits
v.intr.
To defecate.
v.tr.
1. To defecate in (one's clothes or bed).
2. To tease or try to deceive.
n.
1. Excrement.
2. The act or an instance of defecating.
3. shits Diarrhea. Used with the.
4.
a. Something considered disgusting, of poor quality, foolish, or otherwise totally unacceptable.
b. A mean or contemptible person.
5. A narcotic or intoxicant, such as marijuana or heroin.
6. Things; items.
7. Foolish, deceitful, or boastful language.
8. Insolent talk or behavior.
9. Trouble or difficulty.
10. A small or worthless amount: He doesn't know shit.
11. Used for intensive effect in idioms such as scare the shit out of (someone) for scare (someone) very much.
interj.
Phrasal Verb: Used to express surprise, anger, or extreme displeasure.
shit on
Idioms: To treat with malice or extreme disrespect.
be the shit
To be excellent or impressive.
get (one's) shit together
To get organized; put one's affairs or possessions in order.
give a shit
To care the least bit.
no shit
1. Used to express disbelief.
2. Used to express contemptuous acknowledgment of the obvious.
shit bricks/a brick
To become extremely worried or frightened.
up shit creek (without a paddle)
In dire circumstances with no hope of help.
when the shit hits the fan
When the situation goes awry; when trouble starts.
[Middle English shitten, probably from Old English -sciten (as in besciten, covered with excrement), past participle of *scītan, to defecate; see skei- in the Appendix of Indo-European roots.]