poke your nose into somethingpoke (your) nose into (something)
to try to discover things that do not involve you.
The government has no business poking its nose into people's personal lives.
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.
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.
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?