get (someone or something) under (one's) control(redirected from get under someone's control)
get (someone or something) under (one's) control
1. To assume a position of power over a person, group, or thing. I think you'll have a hard time getting the department under your control—they're very loyal to their old boss.
2. To have power over someone or something so as to limit their or its potential negative effects. In this usage, a pronoun is not used between "under" and "control." Thankfully, the teacher was able to get all the screaming kids under control.