When one person, lacking teeth, gives a man oral pleasure.
I walked into the room, only to find Marscillio Gummin' on a weiner
by Cocky Balsboa July 24, 2008
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When an old man takes out his dentures so not to bite a woman's vagina.
I know why the boss likes Paul. He has no teeth so she gets off on him gummin the clam!
by Clamer August 8, 2016
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The act of eating out a vagina or stimulating the clitoris of a female by a male with no teeth and just gums.
by Puss Gummer 39 March 11, 2010
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When a person with no teeth attempts to bite or 'gum' on a nipple, often for sexual purposes.
I would have went to that site if they we're hot, but I don't need to see ruthless toothless gummin' up some nip.

I would love to just bite on a nip but my dentures always fall out and I wind up gummin' up some nip.
by SirGatorFalls October 17, 2016
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