Mr. Gym

The faggot who keeps taking pictures of him/herself flexing at home or gym.

You post pics on any social network of yourself flexing? You're a fag Mr. Gym.

by CommanderButtfuck August 18, 2014

Mr. Gym

insecure showoff who takes pictures of himself working out and posts it on a social media site

"my ex-boyfriend is a total Mr. Gym. look at his new picture at planet fitness."

by jastofro May 13, 2016