Verb, Adjective, noun. It can be anything you want, bad or good, and excuse for anything.

when you're hungover as shit after a spending a night drunk as a skunk

If you cant make a compromise to end an argument, you make a concession. It is when you offer your opponent something that they like at the cost of your opponent giving you something you like as well. Then you both agree to end the argument and the conflict is over.

When someone trys to find out something they aren't supposed to know.