Muffkin 

A muffkin is directly connected to its original meaning of a blumpkin. A muffkin, however, is the act of getting an oral service while taking a dump. The only difference is the guy is preforming the service hence the name "Muff"kin.

Brian: "Dude, I was giving this spanish chick a muffkin last night right? And a little bit got on my chin!"
Joe: "Sweet! Did you take pictures?"

Muffkin by Nit2WinIt February 11, 2009

muffkin 

To receive cunnilingus while pooing.

Following the most breathtaking muffkin I have ever been given, my brother wiped my anus clean with his tongue.

muffkin by Vaginatarian November 22, 2002

muffkin 

When a GIRL is taking a shit and her loved one is eating out her pussy. Basically, a reverse blumpkin.

When I was taking a poop at work, my boss came in the stall with me and gave me a muffkin.

muffkin by Carve a ham! August 16, 2011

Muffkin 

The act of going down on a girl while she is taking a shit. Similar to bumpkin.

I gave my home bitch a muffkin after she let me have my birthday blumpkin.

Muffkin by TheCrazyBunch October 8, 2011

MUFFKIN 

The female version of a blumpkin. The act of getting eatin out while taking a shit. A female receiving oral sex while taking a shit.

Jan received a muffkin from billy.

MUFFKIN by hankthehawk June 17, 2010

bloody muffkin 

The act of Performing a muffkin,while pulling out a skanks juicy ripe tampon, thereby sprinkling the face of the perpatrator.

Lenord Skyler performed a bloody muffkin on his first cousins' 18th birthday.

bloody muffkin by wangbone and willflatch November 23, 2009

Crust muffin 

When Emma chamberlain’s makeup is crusty at the end of the day and not blended

I look like a crust muffin

Crust muffin by Abadabadu March 12, 2018