Top definition
The same thing as a gumjob or gummer. It's a hummer from someone without any teeth.
I met this 80 year old chick at the bar last night. She took me home and gave me a mean gumhummer!
by Big Big Banger November 19, 2006
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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