To pillage. / To cause havoc.

A cry in war as the signal for indiscriminate slaughter.

(transitive, idiomatic, archaic) To attack; to engage in combat with. / (transitive, figuratively) To take on; to begin dealing with.

To cause damage, disruption, or destruction.

(informal) To become extremely upset. / (informal) To be in a state of frantic nervousness. / (literally) Usually of a female cat, to give birth to kittens.

(idiomatic) To change one's opinion, or be uneasy about a previous decision.

(idiomatic, informal) To be depressed; to have low morale; to feel sad.

(slang) To get angry; have a fit. / Used other than figuratively or idiomatically: see have, a, cow.

(transitive, colloquial) To be very angry with; to have a grudge against; to intend revenge against.

(idiomatic, transitive, informal) To be attracted (sexually or romantically) to (someone); to fancy someone.