The term 'THEATER ANNOYANCE' can be broken down into two crossword solutions: 'BEEPER' (6 letters) and 'NOISES' (7 letters). A BEEPER is a small electronic device that makes a loud, high-pitched sound. It is often used to alert people of an incoming call or message. Noises in a theater can be disruptive and distracting, ranging from talking to the sound of cell phones ringing. Both of these solutions are common annoyances in theaters, making it difficult for patrons to enjoy the show.