Josh: "Hey! Why weren't you at soccer practice today?"
Kyle: "I got chairass from playing too much W.O.W. last night!"
Josh: "hahaha! You fail at life!"
Kyle: "Um... remember how you got chairass last week?"
Josh: "*cough* yeah, well, um... that was... DIFFERENT. Okay?"
Josh: Hey! Why weren't you at soccer practice last night?
Kyle: I got chairass from playing too much W.O.W. last night!
Josh: hahaha! You fail at life!
Kyle: Um... remember how you got chairass last week?
Josh: *cough* yeah, well, um... that was... DIFFERENT. Okay?
Kyle: Haha I think that you fail more than I do
Josh: My ass still hurts.
Kyle: *ROFL (literally)* Ow-mine too!
The natural effect of the slow growth and spread of a clerical worker's physical frame, across the span of years of combining vending machine snack food with an exercise regimen that consists of little more than typing, until said physical frame is confined by the spatial limitations of the worker's desk chair. Commonly applies to programmers, secretaries, and middle management. In extreme cases, can be accompanied by a non-insignificant amount of physical exertion to free the compressed rear end from the chair.
She was really slender and athletic, before she started doing data entry 60 hours a week. But after all those late nights and candy bars, she's got a real case of Chair Ass.
This is an ass that is caused by years of sitting in a desk and not going to the gym to squat and deadlift. You ass becomes 4 foot wide and only sticks out a few inches. Looks like a pancake and is why people start wearing suspenders to keep their pants up. It's not because the gained a bunch of weight. It's because their is no ass to hold up the pants anymore.
Bob just retired today. Company gave him a gold watch but desk jockeying for 30 years gave him chair ass. I don't think a belt will keep his pants up anymore.