An expression used to state you are about to undertake a difficult challenge, equal to or above your skill, whilst being unprepared.

Said expression often causes the speaker to be toothless for the time it takes to say it. Do not be alarmed, your teeth always return.

A feeling of smug superiority will normally come over the user if they succeeded in their goal.
1. Fighting a black belt when you have no fighting experience and just ate a pound of fried chicken and mashed potatoes.

2. Taking an Advanced Calculus Regents when you have a C average in basic math.

3. Eating a roast beef/steak with no teeth.

4. I'm Gummin' it.
by Vito93 March 12, 2010
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For someone who is trying to insult you, or is insulting you
buddy is always gummin away
by Cameron Piitz December 16, 2008
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The act of dropping ones overly obese body on top of a victim.
It usually results in the unsuspecting victim receives 200+ pounds of sheer fat being brutally pushed on top of them. The one gumminating must also announce their attack whilst in midair, in the manner of "GUMMINATION".

While the Gummination can be used as a full contact hit, it has variations; such as the Shockwave. When shockwaving, a Gummination is dropped, but not on top of somebody but rather on the ground, resulting in a blast coming from a center point (the one gumminating).
"Gummy, get him while he's down!"
"GUMMINATION!!!"
*crunch*
by Randy Bowers March 23, 2006
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When a toothles old lady perfoms oral sex.
Joshs grandma has me cummin for some gummin!
by JJ March 25, 2005
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1. Not coming or going; no direction; carefree
2. Hanging out with your homies; you're tight, together- gummin
1. "What are your plans for tonight baby?" "Ah, I just gonna be gummin, no plans"
2. Tonight my dawgs and i are just gonna gum out"
by kim and kathy June 13, 2003
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to receive a blow job from an old person who has no teeth.
i went to the old folks home and the 80 year old women was gummin' it
by Zach Beaulieu April 26, 2006
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Gum-in: When an elderly person is trying to digest a tough food, such as steak, without their denchers in.
Grandpa... stop gummin your food, it looks disgusting.
by Sylem December 1, 2003
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