Wiktionary
stickybeak
n. 1 (context Australia New Zealand colloquial English) An overly inquisitive person, a nosey parker. 2 (context Australia New Zealand colloquial English) An act of looking at or watching something, especially something which does not directly concern the one looking. vb. (context Australia New Zealand English) To pry or snoop.
Usage examples of "stickybeak".
He was stickybeaking, you know, when we were having that spat on the stairs.