Fudbutter 

Natural anal lubrication

Fudbutter is that yellowy brown secretion that remains around your cock after lengthy anal sex.

Fudbutter by cheriesg June 23, 2012

fuddbutter 

That creamy shit that forms under the foreskin before it becomes dick cheese.

Wow, your fuddbutter is oozing out like vaginal discharge.

fuddbutter by John Smith10 February 4, 2010

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

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

fugbutter 

any type of lubrication used most commonly in anal sex, but can include vaginal as well.

That fugbutter made anal much easier.

fugbutter by bad fug rising December 20, 2008

funbuster 

Kiljoy, stick in the mud; everyone is having FUN FUN FUN, and this person acts as though he or she is not having FUN ...a real terd ...and Fuck 'em, feed 'em fishheads type person "a FUNBUSTER!!!"

O come on, come join us and have we'll have a great time, don't be a FUNBUSTER!

funbuster by Wetspots May 28, 2016

Fuckbutter 

Fuckbutter is the dried residue of cunny juice and cock snot you find under your rim after fucking some dodgy bird the night before

Damn, i need to scrape the fuckbutter from under my rim before i go out again tonight.

Fuckbutter by Si August 13, 2004