horn in on

horn in on (something)

To join something when one is unwelcome; to intrude or encroach. Ugh, my little brother keeps horning in on all the things I try to do with my friends. Please don't try to horn in on my phone conversations—they're none of your business. Did anyone ask your opinion? No, so don't horn in on our discussion.

See also: horn, on

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

horn in on

Intrude, join without being invited. For example, She has a rude way of horning in on our conversations. This expression alludes to an ox or bull pushing in with its horns. [c. 1900]

See also: horn, on

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.