Top definition
A bro, a man who is all about size. A size guy makes sure he eats enough food through out the day to gain size, mainly in muscle. When not hitting on hot babes you will find him in the gym, putting on size.
Did you see Todd leaving the gym looking super swole in that bro tank with that super hot babe? He is such a size guy.
by Sizeguylivesmatter May 12, 2016
Get the mug
Get a size guy mug for your fish Rihanna.
buy the domain for your diy blog