Top definition
A cartoon character he is based off the monopoly man.He wares a vault suit sometimes with a pip boy.He represents all of the perks in Fallout 3,New vagas and 4.He is put an almost all vault tec poster.He is vault tec's mascot
Hay did you see they vault tec poster with vault boy on it?
via giphy
by Dovakin!!! November 14, 2016
Get the mug
Get a Vault boy mug for your mother-in-law Larisa.
A real pussy destroyer. He's a motherfuckin' pimp-ass player who loves hot babes on the daily.
"Wow. Did you hear about George last night? He fucked three girls!!"
"What a vault boy"
via giphy
by Vault fucker April 12, 2016
Get the mug
Get a vault boy mug for your sister-in-law Riley.