When you
stare at someone, or someone stares or spies on you repeatedly, either
checking you out or in a disapproving way.
It can be used to describe the
culprit and also what they are doing.
katy: I think we'
re being cocknosed.
Anna: Yeah i know, it's that cocknose over there, could he be any more cocknosey!
Katy: I know, cocknosers really get my
goat.