G up is similair to the phrase "fire it up" It refers to becoming prepared; to bring your A game; or go balls to the wall.

having large wings

Slang for get up.

noun - The college freshman who took his high school girlfriend to prom; little does he know that she's going to be more run through than the autobahn once she enters college herself. Cousin of the classic beta male.

1. (adj.) - generally bad; "gup" could apply to a person, action, object, situation, condition, etc.
2. (n.) - a person who might be considered rude, malicious, or unpleasant in any way.
3. (v.) - to go out of one's way to make another's life worse; to bother, taunt, bully, disrupt, provoke, etc.
- to let someone down or fail to meet certain expectations of oneself
4. (int.) - an exclamation of disapproval or discontent

Variations of "gup" include:
- gupped: having been screwed over by a person or an incident
- gup outta here: a phrase (slang) used by the speaker to indicate that he/she no longer enjoys or tolerates the presence of another individual or group and would be happier if the unwanted individual or group left the scene.
- gup that: a command/exclamation, simply meaning "hell no"

see also guppy

A term used commonly in London to describe the action of being snitched on by somebody, to the police. Short for Grassed On.

"Gee'd up"
"G up"

a slang term used on the popular online ps2 game socom

used when inpatient people want you to "green up"

"g-ing up" or "greening up" is the action of switching your status to ready.