Vault boy 

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?

Vault boy by Dovakin!!! November 14, 2016

vault boy 

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"

vault boy by Vault fucker April 12, 2016

Vault Boy#4733 

A gamer, what else to say and also a Unofficial Trusted?

Vault Boy#4733 is a virgin

Vault Boy#4733 by tottaly not shinni April 9, 2021