ring someone's bell
ring (one's) bell
1. To strike someone with a violent blow to the head, especially as might stun or concuss. I would have rung that guy's bell if I knew he had been trash-talking you. Sarah's likely to ring your bell if you keep harassing her like that.
2. To be enjoyable, preferable, or satisfactory to someone; to be or provide something that someone wants. A: "How's that new book you're reading?" B: "Eh, it isn't really ringing my bell, to be honest." I'd rather go see the action movie, if that's all right. Dramas just don't ring my bell.
3. To sexually attract or arouse someone; to bring someone sexual gratification or satisfaction. That redhead from across the bar has been ringing my bell all night. He looks mighty fine, all right. I'd like to take him home and ring his bell!
ring someone's bellmainly AMERICAN, INFORMAL
If someone or something rings your bell, you find them very attractive, exciting or interesting. I saw one or two episodes of the series but it didn't exactly ring my bell.