The act of injecting Heroin into your testicles; having testicles filled with Heroin.
"I scored some heroin last night, and I gave myself gumballs."
by ZeroFromLoDo May 05, 2013
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when you grab your testicle and show it to someone.
i.e., if someone asks for some gum, you say no, but i've got a gumball, you want that.....then if they say yes show 'em your ball!
by Boog'e March 25, 2006
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When a girl gives you head whilst chewing a piece of gum and said piece of gum gets stuck to your balls and penis, resulting in a very painful removal process.
Steve: yo this girl last night was givin me head and she gumballed me
Jim: oh shit taht sucks bro, did it hurt?
Steve: Yeah especially when all my pubes got pulled out tryin to get the gum out
by Jmart25 May 26, 2009
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The sexual act of dipping your balls in hot wax, letting it harden on your balls and then presenting it to a female.
Rachell: Mike gave me a gumball yesterday, it was so good. It was just like a real one except once you get past the harder outer layer, instead of finding gum. You find balls mmm
by mikeymikester July 04, 2010
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When you insert a gumball in your anus and munch on it with your rectum, then you fart to blow bubbles.
girl#1 inserted a gumball into her anus
guy#1 became aroused
by gumBALLS69 September 08, 2011
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this is when your balls stick to your leg after sitting and your sack stretches across your groin giving the appearance of "stepped in" chewing gum.
Lady: Excuse me sir, you shouldnt be playing with your crotch in the theater with all these kids around..

Man: Hey gimme a break I am just trying to fix my gumballs...
by Gonzothegreat79 September 13, 2011
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