Alice confronts her husband Bob about an affair with Carol. Bob cannot refute her, so says something that he knows will make her angry at someone else, then proceeds to watch while Alice rants or get in a fight. Bob has just played Rage Judo on Alice. Basically, this trope is when two people are quarreling and one gets the other mad enough at a third party to escape any consequences. Manipulative Bastards tend to be fond of this, and Bob may be pressing Alice's Berserk Button--but carefully enough that she doesn't go off on him. Examples of Rage Judo include: