grotescular 

overly muscular, in a grotesque fashion.

Yeah, I was watching Arnold Schwarzenegger in Hercules in New York, definitely at his grotescular best!

grotescular by bellofthebird October 26, 2021

grotesticular 

beyond disgusting or extremely grotesque.

Two old ladies chatting in the gym locker room butt naked, that's grotesticular.

grotesticular by Kee January 31, 2005