Someone who absolutely suck in basketball that they cant play with the big guys

very crowded, a lot of people in one place

The act of male testicles slapping their partners ass during sex. The best way to determine the "core"ness of sex is by how hard the males testicles are slapping their partners ass.

an exclamation that something is not pleasing and unexpected.

Mike Portnoy from Dream Theater's catchphrase. He even hid it in a song in morse code. And he says it a lot too. I find it hilarious, and it can be used in the way you think it could be used.

a game that is made up in teenager's basements... all you need is a ball that bounces and shit to break.

can be kicked, thrown, paddled, etc between two people. the smaller the room, the better.

An ass ball is a human being cowering in a tight fetal position. Most used in the context of "to curl into an ass ball"