hot dog boy Share definition Flag the imaginary boy who hang around wherever hot dogs are. used to insult people often when they are obsessed over something. Dude, youre acting like such a hot dog boy trying to take shits in every toilet in the school. hot dog boy by stella_artois January 27, 2005 0 0 Get merch Get the hot dog boy mug. Buy Now — $32.95 See more merch