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A translucent, beige, sticky, mucus created in the rectum by the body to help prevent log jams.
...so i ended up at her house and she opened a drawer full of toys but I had to pick the dried bumcum off her butt plug before we could use it...

I thought there was a monster turd brewing but I sat there for 15 minutes and only managed to fart out a teaspoon of bumcum.
bumcum by poxley March 26, 2010
Related Words
bumcum is actually the slick substance that you feel in your bum after you have done a lot of working on on a hot summer day.
I had mad bumcum the other day when I was running in gym.
bumcum by dankling September 28, 2006
When you fill a bum hole full of your cum.
“Guess what happened to Jennifer last night, she got bumcumed”
BumCum by Dalbby May 10, 2018
BumCum is when you give your girl so laxatives and you wait til she gotta shit so you and 3 friends nut in her ass and then one of you get up close and let her shit it all out to make a stinky sticky liquid and you eat that shit up.
Last night me and the bois bumcummed in my girls ass lass night, and I ate that shit up homie.
BumCum by ReaperShadows February 27, 2021

Bumpumentary 

Are a series of photos and or videos documenting your new arrival. Photos and or videos of your baby bump.
Jessamine’s baby album has a few ultrasound photos and several bumpumentary photos of her two moonbeams.
Bumpumentary by Starving Artist246 October 20, 2021

bumdumpling 

Stephanie visited me ome last night and filled me crapper with 11 softball sized bumdumplings....the lass may want to have er shat hole checked prior to reimbursing the town for the sewer damage
bumdumpling by cornfritter January 3, 2011
More from Urban Dictionary

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
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