Giving one the opportunity (either before or after the matter) to rape someone on the sole reason that it is his or her birthday.
Ray: "Oh my fucking god... Chrissy scheduled me for a twelve o'clock client call on my damn birthday!"
Sean: "Fuck that! - That shit deserves a birthday rape."
Sean: "Fuck that! - That shit deserves a birthday rape."
by Boy.Gook August 14, 2011
Get the birthday rapemug.