Whatever you ask me to do, I will do it; I will happily do the thing you just asked. Usually used humorously or ironically. A: "Honey, would you get me a soda from the kitchen?" B: "Of course, my love, your wish is my command." A: "Go into the shed and fetch me my hammer." B: "Your wish is my command, oh master." A: "Don't sass me, boy, just do it!"