stick one's oar in

• Audio (General Australian):

  (file)

stick one's oar in (third-person singular simple present sticks one's oar in, present participle sticking one's oar in, simple past and past participle stuck one's oar in)

1. (idiomatic, UK) To meddle; to stick one's nose into (something)

   I don't want her coming and sticking her oar in – she doesn't know anything about our financials.

   • 2005 August, Daily Mail:

     He feels he must be [there] today. Not to stick his oar in, you understand, but to offer moral support.

• interfere, meddle, poke one's nose in
• put in an oar, put in one's oar, put one's oar in