muckbutter 

Thick scum from the bottom of your lungs.

I just knocked over my cup of muckbutter

Muckbutter does not go good on eggs, it’s better on toast.

muckbutter by BlackLungJones September 9, 2023

mockbuster 

A low-budget (but not necessarily bad) movie made after a blockbuster using a similar plot and often exploiting on its publicity campaign.

guy #1: Man, I thought I was going to watch Transformers but it was Transmorphers!
guy #2: Yeah! That's a mockbuster!

mockbuster by Galactic Torero September 1, 2009

Felching For Duckbutter 

The two part act of sucking semen out of the anus with a straw while maintaining enough of a vacuum to get the greasy, and sometimes chunky duckbutter that runs along the taint.

Being careful not to miss a drop, and priding himself as a pro at Felching For Duckbutter, Gabe Athouse aimed his straw and inhaled every last drop of the load he left as well as the grimy, nutsack buildup.

Felching For Duckbutter by FupaGunt August 7, 2011

fuckbutter 

A derogotory term used for any type of natural lubrication produced during the act of sex. Used as a vulgar exclamation.

"Aw, fuckbutter! My cock got caught in the belt sander."

fuckbutter by pookie August 30, 2003

Fatty McButter Pants Bonbon Style 

1.An extremely obese person.

Did you see that Fatty Mcbutter Pants Bonbon Style in Sacramento?

Fatty McButter Pants Bonbon Style by Anonymous April 21, 2003

Medina mudbutter 

When you use butter as a lubricant during anal sex when the recipient is constipated

To alleviate Sally's constipation, I gave her a Medina mudbutter when I got home

Medina mudbutter by Medina4life July 20, 2011

fatty mcbutterpants 

a grotesquely fat man, usually with low IQ and little to no friends.

Fatty McButterpants across the street wants to know if he can have a beer.

fatty mcbutterpants by chris king-a-ling January 27, 2007