horn in on (something)(redirected from horn in on it)
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.
Farlex Dictionary of Idioms. © 2015 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]
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.