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Noun:
1. A single testicle, akin to a uniball. The result is reminiscent of the children's game: A single ball tied to a pole.

2. The term can also be used to describe someone with this condition.

Verb:
To cause someone to lose one of two testicles.
Noun:

1. Since Josh has a tetherball, his sperm count isn't as high as the average man's. But his biking has really improved.

2. "Yo Tetherball, you probably shouldn't go to the spermbank with us: You need to hold onto what you've got.... Plus, no one wants a baby with one nugget."

Verb:

"Oh damn, I think that girl just tetherballed me with that kick!"
by drotic October 06, 2009
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Tetherballs: A sexual action between two opposing players consisting of a stationary penis and a testicle(s). The objective is to strike the testicle(s) (clockwise or counter clockwise) until the "ball(s)" winds all the way around the pole and comes to a complete stop.
Jesse: Hey Chris remember that hot hore from the gym? The one with the nice ass?
Chris: Yeah.
Jesse: Well, I got her to play tetherballs. I let her win cause she's a girl...What are you doing later today?
by Pope Bentdick LXIX August 04, 2010
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A tether ball is what you call a girl who keeps coming back after you fuck her.
Bob: who do you keep texting?

Cody: ugh. that girl trina. Every time i hit her she keeps coming back to me

Bob: she's such a tether ball
by Lukeyboy3 May 23, 2014
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When one man takes his penis and hits the ballsack of another man and tries to wrap the ballsack around his penis. They take turns and the first to wrap it is the winner
The two blatantly gay men went to play tetherball in the bathroom. The game ended quickly as the one with the sunglasses wrapped it on the first try
by Jtoll October 20, 2009
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The act of finding an old man whose nut sack hangs very low and giving him a large amount of Viagra in order to make his penis erect. Once erect, slap his nut sack and see how many times his nut sack will wrap around his own penis. Whoever gets the most wrap arounds wins.
Hey do you wanna play Tether ball after school?
Yeah sure!!! But whose grandpa will we use?
by kwlab April 01, 2011
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