put your oar in
US /pʊt jʊər ɔr ɪn/
UK /pʊt jʊər ɔr ɪn/
1.
to interrupt or interfere in a conversation or activity, especially in an annoying way
:
•
He always has to put his oar in, even when it's none of his business.
•
I wish she wouldn't always put her oar in when we're trying to make a decision.