Top definition
A Valve Brother is a person (mostly teenage males) who only play valve games. These people are completely addicted to Hot Pockets and Mountain Dew. Every Valve Brother owns a Xbox, a Microwave, and Mini Fridge in their room.
John: "Hey Justin wanna hang?"

Justin: " No, Can't I'm in my Left 4 Dead Clan right now."

John: "Fucking valve Brother."

Justin: " I Know :("
by Thomas DEA July 21, 2011
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