Noun
an alarm that is tripped off by fire or smoke
Source: WordNetThe smoke alarm went off in the hallway upstairs, either to let us know the battery had just died or because the house was on fire. Don DeLillo
I'm not saying my wife's a bad cook, but she uses a smoke alarm as a timer. Bob Monkhouse
I can sleep like a champion. I once slept through a smoke alarm going off. For three hours. Maureen Johnson
My wife's cooking's gotten a lot better since she learned the smoke alarm wasn't a timer. I had to tell her, "Honey, the food's done before that particular buzzer goes off!" Ron White
Every person I talk to has a story about how their smoke alarm went off or woke them up with a battery beeping. So you take it off the wall and you take the battery out and say screw this. They hate the products. Tony Fadell