Japanese BL term for really buff gay men like Billy Herrington.
Billy Herrington's (Aniki) pornos are the epitome of gachimuchi wrestling.
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.