surly fuck Share definition Flag A person who is really mean, but in reality is just joking. You think. So that guy in class called me a dumbass with a straight face at first, and then he laughed. He is such a surly fuck. surly fuck by SrlyDude2 August 6, 2009 0 0 Get merch Get the surly fuck mug. Buy Now — $32.95 See more merch