ガチムチ/がちむち. A Japanese term that
literally means "muscular
chubby," which refers to big, bulky body types that are very muscular, but also have a
good amount of fat.
Jiraiya, Go Fujimoto, and Ebisubashi Seizoh are just a few of the many
bara manga artists who specialize in gachimuchi characters.
Many offseason bodybuilders tend to have gachimuchi
body types.