The term used to describe when one witnesses another person knowingly bullshitting and lying their ass off. This person usually has no life of their own, and must make up stories so others will listen.
Man, Gillis was spewing green gumballs all over the parts counter this morning. He said "Hey guys I got the cashiers phone number last night, i think i am finally gonna get my dick wet. " Then the green gumball morter went off ... " I was riding my kx500 down I-4 with a tittie dancer on the back high on cocaine headed back to my moms house for dinner and was dragging knee so bad i had to get stitches. "
by jessie34 May 11, 2007
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1) out of a group of siblings, the kid who is clearly liked the least, especially by the parents
2) the worst flavor of gumball, usually some vile combination of banana and lemon, that everyone tries to avoid
kid 1: did you hear Bethany's brother got an iPhone 5 AND a jetski for his tenth birthday?
kid 2: what? Bethany doesn't even have a Razor--and she's graduating!
kid 1: i know, she's definitely the yellow gumball.

kid 1: ooh, what flavor did you get?
kid 2 (dejectedly): yellow.
kid 1: oh. gross.
by stephendragon June 12, 2014
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A sexual activity in which the male (or female) inserts a gumball into their partner's asshole. Once inserted the partner with the gumball inside them will attempt to push it out and shoot it into their partners mouth at which point the partner will chew the gumball. Take caution! Every now and again "foreign matter" can be shot out from the asshole along with the gumball, it is recommended to plug your nose.
Lets go down to the store we need some gumball so we can do the Tahitian Gumball.
by callmedaley September 2, 2011
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Something that is a potential hit or miss. Or perhaps, something that would require a decent amount of energy but might not necessarily pay off.

Additionally, this phrase emphasizes the lack of probability of any given outcome.
Hey this gumball situation movement is a real gumball situation.
by Elise and Co. May 30, 2008
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that blue cat that is strange as hell
Joe: Hey, have you seen Gumball Watterson from TAWOG?
Jack: Isn't he that blue cat?
by romansuperdestroyer November 8, 2019
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A sex thing in which you put your balls in her butt, then put a quarter in her slot, then she pops out the balls.
My chick pushed to hard when i was gumballing her and she took a dump.

I jizzed when i gumballed my girl.

Gumball Machine is my favorite sex thing to do.
by POWERtehPIMP April 28, 2008
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