butt in
• interrupt or intrude on a conversation or activity.
• "he's always butting in—not letting her finish her story and giving her advice she never asked for"
Similar:
interrupt,
break in,
cut in,
chime in,
interject,
interpose,
intervene,
chip in,
interfere (with),
put one's oar in,
poke one's nose in/into,
Opposite:
keep out (of),
