poke nose in

poke (one's) nose in(to) (something)

To involve oneself in an intrusive or nosy manner into something that is not one's business or responsibility. I wish my neighbors would quit poking their noses in and just leave us alone! Don't poke your nose into your brother's affairs—he can manage well enough on his own.See also: nose, poke

poke one's nose in (to something)

 and stick one's nose in (to something)Fig. to interfere with something; to be nosy about something. I wish you'd stop poking your nose into my business. She was too upset for me to stick my nose in and ask what was wrong.See also: nose, poke