rein in (someone/something)

to control someone or something.

We should rein in our spending, balance our budget, and stop borrowing.

Critics say they have run the company as a personal kingdom, pocketing the profits and ignoring anyone who tried to rein them in.

• flip out
• flip someone the bird
• flip the bird
• flip your lid
• flirt with
• flirt with something
• float an idea
• flog a dead horse
• flog something to death
• flog to death
• floor it
• flotsam and jetsam
• flunk out
• flunk out of school
• flush out
• flush out someone
• flush out something
• fly blind
• fly-by-night
• fly by the seat of pants
• fly by the seat of your pants
• flying high
• fly in the face of
• fly in the face of something
• fly in the ointment