Top definition
An expulsion of gas from the anus whilst moving or walking which makes a noise reminiscent of laughter.
"Larry let loose a mighty bumchuckle, much to the chagrin of the woman walking up the stairs behind him."
by Grm September 29, 2007
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2
When, during anal sex, the giver (or receiver) laughs, giving a surprise sensation to the non giggler.
man: "have you ever had a bumchuckle?
woman: "no? what is that?"
man: "here, i'll show you, HAHAHAHA"
woman: *screams*
by Naurog February 17, 2009
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3
When your bum chuckles.Do I need to say more? It's pretty straight forward Similar to a Bum flutter, but with extra hash and zest. Also see: Fart.
Example:

Dudeness: Eyy mang I saw sparkles coming outta yo ass fam what be the catastophic matter tho.

Dudette: Fam Fam mah bubble bum just been thru a chuckle fam.

Dudeness: Ey what fam what you mean yo ass been clappin thangs?|

Dudette: Fam Fam fam it's my thong-long separating DEM CHEEEKS to give em a bum chuckle. Like a bum flutter no?

Dudeness: Dam I see so clearly nah!!!!!

Narrator: and then they proceeded to make love.

-End-
by BumsyChuckles February 11, 2017
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4
gross! did you hear him just bumchuckle in public!
by SpindleShanks May 29, 2006
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The vengeful act of crapping on a lover's chest while they sleep.

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