Something that has Nishuction qualities.
"That's pretty nishuction."
Injecting items, usually liquids, into mainly testicles. Can also be done on the penis, or anywhere on the body.
"I was grousing with olive oil yesterday. Might grouse with piss today."
A Ball-Swap is where you swap one or more testicles with a friend, at home. One testicle is removed and swapped with another. You can also swap a testicle with an object similar in size, like a grape or a large marble.
"We ball-swapped yesterday."