Gumfing 

Inserting gumballs into the anus.

The ol lady and I tried gumfing last night. She blew bubbles every time she farted

Gumfing by Cockfat December 24, 2017

gurming

What a star-struck person will do as they discover they're in the same room with a celebrity, whether they've actually a fan or not.

As soon as Kathy Lee Gifford entered the room, my boyfriend forgot who I was and gurmed all over her, even though he didn't know who she was until I pointed her out.

gurming by UrbnDog October 4, 2004

gymming 

v. to go to the gym; to work out

im going gymming today, do you want to come?

gymming by dr. fuckel February 15, 2009

Butter Gumping 

The act of slapping a females ass with a ping pong paddle slathered in butter.

I butter gumped that big ass.
I would like to be butter gumping her later!

Butter Gumping by Stymie84 April 27, 2021

Gummin' on a weiner 

When one person, lacking teeth, gives a man oral pleasure.

I walked into the room, only to find Marscillio Gummin' on a weiner

Gummin' on a weiner by Cocky Balsboa August 19, 2008

Gummin 

For someone who is trying to insult you, or is insulting you

buddy is always gummin away

Gummin by Cameron Piitz December 20, 2008

Grumming 

The act of grumming involves masturbating while defacating, having a wank while having a shit.

Sam was caught grumming by his mum

Grumming by lorenzo30 February 11, 2010