sic
v.v. to order an animal, usually a dog, to attack or chase someone. You use it when you want to set a dog on a person or another animal.
v. to incite or command a dog or other animal to attack. Transitive; often used in the imperative or as a threat.
The farmer threatened to sic his dog on the trespassers.
If you don't leave my property immediately, I will have to sic the guard dogs on you.
The coach would often sic his most aggressive defender on the opposing team's star player to disrupt their offensive rhythm.
The verb is transitive and typically takes the preposition 'on' or 'upon' before the target.
He sicked the dog on me.He sicced the dog on me.The past tense and past participle are spelled 'sicced' or 'sicked', but 'sicced' is preferred to avoid confusion with the adjective 'sick'.