horn in (on (someone/something))

to interrupt or try to become involved when you are not welcome.

George worried that his brother would try to horn in on the company's success.

Related vocabulary: in on something, let someone in on something

• it's now or never
• It's now or never.
• it's one thing after another
• It's one thing after another!
• It's raining cats and dogs!
• it's swings and roundabouts
• it stands to reason
• It's the same old story.
• it's the same old story
• It's the story of my life.
• it's too bad
• it's well worth it
• It's written in the stars.
• it's your funeral
• It takes all sorts
• It takes all sorts to make a world.
• it takes two to tango
• It takes two to tango.
• It was fun while it lasted.
• I've never [felt/heard/seen etc.] in all my born days!
• I've never [felt/heard/seen etc.] in all my days!
• I've never [felt/heard/seen etc.] something in all my born days!
• I've never [felt/heard/seen etc.] something in all my days!
• I've never felt in all my born days!
• I've never felt in all my days!