A person who has no life because they continuously talk about and hype about the game Fallout.
"Oh look, here comes the Fallout Fuckboy."
"Sam hasn't come out of the house in 3 days since Fallout 4 came out Tom, what a Fallout Fuckboy."
by Mandika13 November 15, 2015
Get the Fallout Fuckboy mug.