а. вмешиваться (в разговор) When someone else is talking, don't butt in (to their conversation), it's rude. Never butt in on anyone else's quarrel. б. мешать, стараясь помочь I'd have got the job finished in time if he hadn't come butting in on my work with his unwanted advice.
BUTT IN
Англо-русский перевод BUTT IN
Мюллер. English-Russian Muller's dictionary bed edition. Англо-Русский словарь Мюллера редакция bed. 2012