from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An overly inquisitive person, a nosey parker.
- n. An act of looking at or watching something, especially something which does not directly concern the one looking.
- v. To pry or snoop.
From sticky + beak; presumably from the metaphor of sticking one′s beak ("nose") where it is not wanted (compare nosy). (Wiktionary)