sic (someone or something) on (someone)
To cause someone or something to attack someone or something else. If I sic my goons on him, I bet he'll pay up. I do feel safe here because I have two dogs that I know I can sic on an intruder.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
To urge or incite someone or something to attack or go after someone: The guards sicced dogs on the intruders. They threatened to sic their lawyers on us.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.