What is a flea in her ear?

"A Flea in Her Ear" is a classic French farce written by Georges Feydeau in 1907. The play revolves around a case of mistaken identity and the hilarious complications that ensue when a suspicious wife sets a trap for her husband at a notorious hotel. The title refers to the wife's suspicion that her husband is cheating on her, likening the idea to a buzzing flea that has taken up residence in her ear. The play is known for its fast-paced plot, witty dialogue, and physical comedy, making it a popular choice for theatre companies and audiences alike.