US, informal + often disparaging
:a person who looks at something: such as
:a person who goes somewhere or stops to look at something (such as the scene of an accident) :an intrusively curious onlooker
- … to discourage the thousands of lookie-loos who once jammed the street to get a glimpse of the murder scene.
- —David W. Myers
:a person who looks at something for sale without intending to buy it
- And how should you get your old house ready for "looky-loos" as well as the serious buyers?
- —Roger Showley