A character is conducting a perfectly normal Inner Monologue, usually thinking about how horrible their friend's cooking is or how attractive they find the person across the room from them. Unfortunately for them they were a little absentminded and started going into an outer monologue - and everyone in the room just heard them say, "Damn, I'd like to rip his shirt open with my teeth" or "Yeah, your mother's singing is lovely if you happen to have your head encased in concrete." Then it hits them as they hear their own voice, they stop, look around, make a blank expressions and say...