poke/stick your nose in/into something

poke your nose into something

or

stick your nose into something

INFORMAL
COMMON If someone pokes their nose into something or sticks their nose into it, they interfere in something that does not concern them. He has no right to go poking his nose into my affairs. I felt that they were sticking their noses into what was only my business. Compare with keep your nose out of something.
See also: nose, poke, something

poke your nose into

take an intrusive interest in; pry into. informal
See also: nose, poke

poke/stick your nose in/into something

(informal) interfere in the affairs or business of other people: She’s always sticking her nose into other people’s affairs. It’s really annoying.What happens in this department does not concern him. Why does he have to poke his nose into everything all the time?
See also: nose, poke, something, stick