horn in

English

Verb

horn in (third-person singular simple present horns in, present participle horning in, simple past and past participle horned in)

1. (slang) To intrude or butt in (on something).
   • 1977-1980, Lou Sullivan, personal diary, quoted in 2019, Ellis Martin, Zach Ozma (editors), We Both Laughed In Pleasure

     J isn't thrilled by the idea—says he's afraid she'll be taking up my time and horning in on our time together.