When a male reaches orgasm and begins to ejackulate into their mate. Suddenly a uncontrollable release of gas from the anus is released with each ejackulate squirt.
Male: sorry babe. I fumed again.

Female: yea, that was weird.
by Nathanvancity February 25, 2014
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Pre-Cum, a fluid that is discharged from a penis when it's aroused and usually occurs right before ejaculation.
by NotSamC December 4, 2021
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I was at the store when I accidentally fummed in my pants.
by Vengermaximus August 8, 2011
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The action of farting shitting and cumming at the same time usually a result from intense sexual pleasure

Can also be used to describe the liquid created
Man my priest told me to come to the confession box and suck him off I fummed all over him
by The Homelesswaffle April 22, 2019
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The other night I was totally taken by surprise when I fummed...
by N Spenny March 1, 2019
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A synonym for awesome, amazing, cool, super etc.

This word was made up on Spongebob.
The YouTube channel "extraEPIC" is fum!

CHUM is FUM
by 0707070 July 19, 2009
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