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1 definition by Biggest Boss Thus Far

 
1.
Someone who spends all their time in a gym but does absolutely zero excercise.
Gym Rat: God I'm so pumped for the gym, time to get fucking juiced!

Does one rep

Gym Rat: FUCK YEAH!!! TIME TO WALK AROUND AND ACT LIKE A BOSS
by Biggest Boss Thus Far June 27, 2010