1 definition by Reese’s cup

Obeast (n): a person that has a v strong workout the day after being a fat ass

Obeast (adj): having both fat and strong qualities

Obeastly (adv): in a fat ass, yet strong manner
Noun- "That guy pigs out at Mc Donald's and then he benches 300 pounds. Dude's an obeast"

Adjective- "those sumo wrestlers sure are obeast"

Adverb- "My boyfriend lives his life obeastly, he binge eats and binge lifts"
by Reese’s cup July 19, 2018
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