1)the act of spinning really hard naked aim to your partners face and hit your partner in the face with your testicles

2)if you are a female you have to punch or kick your partner right in the ball sack while he is cuming or ball sack smashinig you
my ball ball sack smash in lily's face left a mark
by Raphael M, Cam J ,Doug M April 2, 2008
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Ouch... That feeling when you got your groin kicked or hit REALLY hard
Yo you got smashed balls. You alright?
by Y u? November 9, 2013
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The most prized item in Super Smash Bros Brawl. This item floats around the screen and must be attacked by the players in order to break it's shield. The smash ball's shield diminishes over time, too. Once a player shatters a smash ball, that player can then perform a final smash.
Player 1: "A smash ball!"
Player 2: "Back off, it's mine!"
by singNstache711 May 2, 2008
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The action of having sex with someone for the first time. The people involved do not have to be virgins, but to call it a Smash Ball they must have not had any sexual experiences with eachother prior to te encounter. The name comes from most prized item in Super Smash Bros franchise. In the game, getting the Smash Ball allows you to use a killer move that will most likely allow you to win the game.
Hey bro, did you get the Smash Ball with Alyssa yet?
by Anonymous Pickle November 19, 2017
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a ball smash is essentially a fleshy version of Newton's Cradle.

Must occur between two or more men.

Ideal environment for ball smash to occur is after dumplings and a few bottles of wine.
Hey Martin, what are you guys doing tonight?

Me, Erin, Kath and Bruce are getting together to watch Phil and Pete ball smash.
by Ezmoz September 28, 2016
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