Someone shouts an order or entreaty, but is suddenly forced to change their stance and start chanting the opposite. A Comedy Trope. The standard formula goes like this: repetition of a word or phrase -- alarming change in circumstance -- repetition of an inversion of the first. Or a straight reiteration of the first statement, given a humorous context by the new circumstances. For example: "Chaaaaaaarge!" (giant rolling boulder appears) "Retreeeeaaaat!" Examples of Attack! Attack! Retreat! Retreat! include: