Fat Stairs 

The heavy breathing you get from when you go up a flight of stairs

Damn those fat stairs

Fat Stairs by 23savage December 19, 2016

Fat Stains 

The build up of body fluids between the ruffles of a persons fat that can cause stains in clothing.

Aww shit, that fuckers fat! yeah and look at them greasy Fat Stains!

Fat Stains by DeathAtTheParty November 21, 2010

Fat-Stairosis 

The syndrome of a fat kid walking up a flight of stairs, collapses before they reach the desired destination of the staircase.

Boy: Hey what happened to Jonny?
Girl: Oh he had a case of Fat-Stairosis about 20 stairs back.

Fat-Stairosis by Bamfthony September 26, 2009