Resting Troll Face Share definition Flag An analogue of RBF (resting bitch face). A smug motherfucker who’s neutral face expression is one of taking the piss. Did you see Elon Musk’s RTF (resting troll face) in that article about banging Sergey Brin’s wife? Resting Troll Face by ArtVandelay69 July 24, 2022 Get the Resting Troll Face mug.