Plateau 

An ass so big you could sit on it.

A fat person eats a "Fat Bomb", if you will and it detonates as it passes the lower region, causing a plateau shelf like ass to exsist.

Plateau by Capitan Kirk January 15, 2007

Plateau 

Verb- To take a dump.

Jeeze man, I really gotta plateau right now.

Plateau by Dictionary222 March 25, 2009

Plateau 

Areas of high levels

The mountain reaches very plateau heights

Plateau by Your mother.commmm September 27, 2021

Plateau 

To stop making progress in your workout

I.e your bench being stuck on a certain weight e.g 140kg for ages or suddenly going down instead of up

You’ve hit a plateau in your work out

Plateau by JayLorenzo July 29, 2022

Plateau Dew 

What you call your Mountain Dew when it’s gone flat.

Ah, man, I forgot about this Mountain Dew and it’s flat. It’s a Plateau Dew now.

Plateau Dew by FOMS October 9, 2020

plateau effect 

Muscles not growing or gaining strength because you do the same exercise over and over without enough weight or resistance.

He only lifts 15 pound dumbbells. It's not wonder he suffers from the plateau effect.

plateau effect by Vital Forces May 31, 2010

reach a plateau 

To reach a point where gradual progress is no longer possible and stagnation is likely, where advancement can only be achieved by a sudden, difficult, and possibly risky leap up to the next level

I'm worried about Joe. Without a college degree, he could reach a plateau in his management career.

reach a plateau by ChemicalCastration February 13, 2010