A guy that behaves like a total asshole on behalf of a friend that wants to improve his chances to pick up a girl. While
the friend chit chats with the girl, the guy suddenly bust into the scene like a random stranger. He talks a lot of non-sense and harass the couple before he retreats; for a moment he
literally "torpedo" the scene. After having faced a
complete moron, the girl now improve her estimation of the friend.