ass joust

When a male and female are dancing, or grinding, and the male proceeds to get an erection, which he willingly allows to "poke," or joust into the female he is dancing with, sometimes causing awkwardness

When two males put on helmets and one runs full speed at the other with the hopes of getting his dong in the others ass. A less fun version involves a male and female. Also referred to as lanceless jousting, it was common in the medieval times before man invented horses.

To ram or punch asses together in an synchronous motion, and moaning like a dead fish

A sport involving two competitors who attempt to knock down their opponent by scuttling down the playing field and bumping each other with their asses.

Ass-jousting is best played at 2AM with bored college students, not looking for sexual games.