The sexual act of putting your penis into the ass of your partner and making their asshole gape. Then proceeding to put your testicles in their gaping ass and shake them around, like a basketball bouncing around the rim. They do it in Boston all the time.
by buffblo December 21, 2008
Get the boston basketball mug.you shit in the snow, wrap the shit in snow and make it into a snowball, then throw it at someone unexpected.
Me: yo, do you wanna throw snowballs at unexpecting people?
You: Yea, and while were at it we should throw Boston Baseballs at them.
You: Yea, and while were at it we should throw Boston Baseballs at them.
by fauhlen January 19, 2026
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