Obeast

A horribly fat and ugly person. It is a combination of "obese" and "beast."

Hey look it's the fattest girl in the school. She's a real obeast!

by Slippy Slippy Sir February 3, 2013

Obeast

A fat person who, instead of being gluttonous and/or lazy, they are productive and usually inspire others to be like them, or do things like them.

"Oh, my gosh! That fat man just did a backflip on a skateboard while performing CPR on an infant while taching the elderly how to do the bernie! He's so OBEAST!!!"

by Smurphlicious October 23, 2011

Obeast

A very muscular individual who has a BMI of greater than 30, but maintains less than 10% body fat. Mass for this individual is located mostly in the skeletal muscle tissue although the BMI scale categorizes them as obese.

Frank: "Dude, I'm so fat! My BMI is 35"
Steve: "Nah dude, you're solid muscle. You are totes obeast!"

by FattyMcBlunt420 August 31, 2012

obeast mode

the evolution of feast mode. feast mode is like beast mode but performed only on foods. obeast mode is feast moding until the point of no return

c2 first beast mode feast mode and turned it into obeast mode

by c2iv October 31, 2011

obeast chinchilla

When a chinchilla has klamidia and starts bleeding out yellow.

That obeast chinchilla was rocking that crop top

by Big chinchilla dad April 3, 2019

This kitten fuckin obeast

When the juvenile of the species felis catus appears to be abnormally obese

Person: THIS KITTEN FUCKIN OBEAST

by Mort got us in a fukin carwrek June 24, 2021

Obeast

When your height/weight ratio would normally make you "obese", but you are really in good shape

Kenneth - "Chas, this BMI calculator says at 6'1" and 230lbs, I'm obese! But, I'm in the best shape of my life"
Chas - "more like obeast!"

by racerrob January 28, 2015