fellumping 

Inserting the top part of your head into another persons rectum.

"You fellumping bastard, get your fucking head out of my ass"

fellumping by J March 28, 2003

Flumping 

The act of flumping involves stuffing a flump marshmallow inside a volunteers bum 'ole and then proceeding to suck it out as romantically possible. Considered to be the most erotic and tasty act of sex.

Hey, baby. Are you down to flump?

Sure, I love me some flumping.

Flumping by Flump-Master April 27, 2015

Flumping Crumpet

An idiotic person in a situation most atrocious.
Referring to the stupidity of a Flump (Marshmallow) and a Crumpet (Small griddle bread)

Person 1: I just fell off a bridge and luckily Lefty Kreh was there to save me
Person 2: What in the world were you thinking you flumping crumpet

Flumping Crumpet by Cracked egg in aberdale December 31, 2022

Flumping Ass 

A Butt that is big and white and bounces alot when jumping.

Bkdavill: Hey Nick, you see that girls ass shaking?

Nick: Yeah but this chick over here has a Flumping Ass.

Flumping Ass by Bkdavill August 24, 2010

Flumping 

The act of two obese people having sweaty, fatty sex. Generally accompanied by the flat sound of skin flapping against skin, as well as by general walrus-like bellowing.

"Dude, I couldn't sleep at all cause my roommate was flumping that fat chick all night long"

Flumping by yagoah April 22, 2009

flumping 

A fetish. Having a fat person grab their gut and slap you with it.

The flumping king flumped me last night.

flumping by Matthew Cook October 1, 2005

Flumping 

When two mammals cram large quantities of marshmallows down each other's ears

Guy one: Man, I couldn't believe it when my gf said that she didn't think flumping was fun.
Guy two: Dude, dump her weird ass.

Flumping by THEMARSHMALLOWYOVERLORD January 1, 2019