Nosey
noun
A look at something to satisfy one's curiosity.
“I might wander down to the construction site for a nosy at what they're building.”
adjective
Prying, inquisitive or curious in other’s affairs; tending to snoop or meddle.
“They built tall fences, yet the nosy neighbors always seemed to know everything about them.”
Having a large or elongated nose.
Synonyms: interfering, kibitzing, meddlesome