Trapper John

1. A character in M*a*s*h who got his nickname due to a misunderstanding. While his girlfriend was in a public bathroom john macintyre decided to purpose to her. He got dow. On kneee in front of the bathroom door. As a lady the wrong lady was exciting the bathroom she scream out of surprise "pervert!" And prevent anyone else from leaving. Hour later cops arrived and arrested john accidentally. Later the surgeon was known for martinis and the best care any where alkng with off humor and practical jokes. 2. In reference to M*a*s*h for when you trap someone in a place due to a misunderstanding and set event. Aka pulling a trapper john