v. To ejaculate. Literally, when one's testis climb to a "high & tight" position just before launch.

to take one for the team, against most odds, to guard closely (in athletic contests) commonly yelled at Ultimate Frisbee games

To "get high" or alter one's state of mind with drugs or alcohol.

n. - an unfavorable or adverse situation

Conflation of the expressions drive me up a wall and driving me nuts. Basically when someone is annoying you so intensely it's almost like they're kicking you in the balls. Hence the reference to the word "nuts."

Either walk your talk and prove your worth or toughness, or keep your pie hole shut and get the hell outta town.

To be fully inserted into one's partner during the sexual act; to be up to the maker's mark. Descriptive of the lovely warm engulfment one feels when balls deep.