gym nerd 

someone who spends half of their spare time in gym and tries to mention and show that at every opportunity.

sigh another gym nerd

gym nerd by gym nerd August 28, 2012

gym nerd 

Someone who goes to the gym but doesn't use the equipment. The average gym nerd continually talks about form and caloric intake. Being a gym nerd is often accompanied by a PT certification.

The gym nerd kept leering at me and tried to tell me I wasn't extending enough.

gym nerd by WGstyles March 8, 2023

Gym Nerd 

a person who always talks about going to the gym. Everything is about gym.
and also a word for people when someone mentions about going to the gym once.

Me:"If u used ur hours from playing roblox to going to the gym you'd be ripped asf"
10 year old on roblox:"YoUr SUcH a GyM nErD yOu ShOuLdN't Be FoRcInG PeOpLe" blah blah blah.

Gym Nerd by shadbicky June 3, 2023