like an enormous sumo wrestler, full of fat

Slander! Sumo wrestlers are defined by having a lot of muscle. Source: https://youtu.be/jcppRWz3_as?t=349 Yes, they have fat but that serves a similar purpose as armor and sandbags: to help defend themselves and make them difficult to move.

New sumo tourney starting in 2 weeks! !sumo@lemmy.world