To engage in sexual relations, entering with not only your manhood, but forcing your testicles in her rectum
I had her in the missionary possition and forced my balls in her arse, it was legendary. She loved it, I was Ball'in
by Falconevo July 01, 2009
To get the girls in class the like him.Mark told the girls,"I just came from gym last period,and I took a shower and now I'm free-ballin!"
by FLA CHIC July 21, 2004
When at a basketball game and people yell "ball'in" they mean that the ball has gone into the hoop and the team has scored 2 or 3 points.
you that's ball'in
by Claudia203 November 05, 2015