dumb fuck, everyone knows that that phrase means. it's so famous it's been adopted into english. it's a song by edith piaf for fuck's sake and a movie.
i can very proudly hold my head up high and say i have no idea what the fuck you are talking about, also i have never heard a justin bieber song in my life, would you like to talk about 70's/80's country artists though i could spend all day discussing hank williams jr...