Listen to the sound clip Duff Lovers from Duffman Soundboard: Duff Lovers Duff Lovers This sound is from Duffman Soundboard Duffman is a popular character from the animated television show The Simpsons, known for his catchphrase "Oh Yeah!" This exuberant sound is often heard when Duffman makes his grand entrance, promoting Duff Beer with his e… Go to the full soundboardwith more sound clips Search