Listen to Punch Em In The Mouth online. Punch Em In The Mouth is an English language song and is sung by KnuckleHeadz. Punch Em In The Mouth, from the album Knucklehead Theatre: Co-Starring Cognito and Nasty Nate, was released in the year 2007. The duration of the song is 3:42. Download English songs online from JioSaavn.