tumbling sixpack 

When the abdominal area gets fat and soft and starts rolling and weeping down over the waistline of pants

That lady should not be wearing a two piece bikini with that tumbling sixpack shes got.

I used to have abs of steel....now I got me a mad tumbling sixpack.Damn,marriage sucks!

tumbling sixpack by Lunicus December 19, 2006

scrumbling 

The scientific term for when cats exhibit frantic behavior before or after a bowel movement.

"My cat was scrumbling so hard this morning, he knocked over my TV!"

scrumbling by ohjujube January 19, 2017

stumbleine 

An amazing Smashing Pumpkins song

Britney Spears only wishes she could be half as brilliant as Billy Corgan to create something such as Stumbleine.

stumbleine by caitlin April 17, 2005

Stumpling 

Another name for a dwarf or midget or small person

look over there at that stumpling riding a three legged donkey

Stumpling by possiblylewisholms April 22, 2015

skambling 

An activity that involves both skiing and gambling.

I'm really looking forward to my skambling vacation.

skambling by Mike S. S. December 30, 2008

Tumbling 

The act of spending one's time on Tumblr.

Not much just tumbling.

Tumbling by PerogiXW1 May 7, 2011

Tumbling Tiger 

A decisively difficult maneuver, the Tumbling Tiger requires the performer to anally insert the penis into a receiving hole and proceed to roll down a hill whilst maintaining the said position.

I once attempted the Tumbling Tiger and now it is difficult to discern whether I am a man or a woman.

Tumbling Tiger by toenailtim April 27, 2010