Definition of "get out"

get out

verb
third-person singular simple present gets out, present participle getting out, simple past got out, past participle (UK) got out or (US) gotten out
1. (intransitive) To leave or escape.
2. (intransitive) To come out of a situation; to escape a fate.
3. (intransitive) To be released, especially from hospital or prison.
4. (intransitive) To remove one's money from an investment; to end an investment.
5. (transitive) To help (someone) leave.
6. (transitive) To take (something) from its container or storage place, so as to use or display it.
7. (intransitive) To leave a vehicle such as a car. (Note: for public transport, get off is more common.)
8. (intransitive) To become known.
9. (intransitive) To spend free time out of the house.
10. (transitive) To publish or make available; to disseminate.
11. (transitive) To say with difficulty.
12. (transitive) To remove or eliminate (dirt or stains).
interjection
1. (literally) Commanding a person to leave.
2. Indicating incredulity.
  Quotations
  "Giants in armour, sir. Hundred feet high. Three legs and a body like 'luminium, with a mighty great head in a hood, sir." "Get out!" said the lieutenant. "What confounded nonsense!".
  1898, H.G. Wells, The War of the Worlds, London: William Heinemann, page 91
3. (UK, slang) Expressing disapproval or disgust, especially after a bad joke.