Direct hit! (8)
(Other definitions for bulls-eye that I've seen before include "Large peppermint sweet" , "Dead centre - Bill Sikes's dog - sweet" , "Sucker" , "Accurate shot" , "Window - sweet" .)
(Other definitions for bullseye that I've seen before include "A sucker" , "faithful literary hound > master shot" , "Dead centre - Bill Sikes's dog - sweet" , "Sweet shot" , "something to be aimed at" .)