Dilsias Share definition Flag A human version of a siren. Will literally scream at you for breathing. If given the option to fight or flight, will ALWAYS choose to fight. Master of the death stare. Person A: Why is she like that? Sheesh Person B: Oh yup... She's a Dilsias. Dilsias by batabata May 29, 2020 0 0 Get merch Get the Dilsias mug. Buy Now — $32.95 See more merch