have someone's number on it
have (one's) (name and) number on it
To be intended or destined to cause harm to one, as of a weapon like a bullet or an unintentionally harmful entity. He jumped in the way to take a bullet that had my name and number on it. That falling tree had my number on it, but I was able to swerve out of the way just in time.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
have someone's (name and) number on it(of a bomb, bullet, or other missile) be destined to hit a specified person. informal
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