The phrase "nosy neighbors" refers to people who are excessively interested in the personal lives of others and tend to pry into other people's business. Full definition
I live with my parents (saves money, more than anything) and therefore I can't accom (especially with nosy neighbours). (gayfetishpersonals.com)
Sales reps hold open houses to attract new clients, but many open houses also attract nosy neighbours and lookie - loos out for some free weekend entertainment. (remonline.com)
The proof of that came this morning with the announcement that Labour's Sarah's Law is to be extended nationwide — a law under which in the trial period 90 % of those reported upon by an assortment of nosy neighbours, local gossips, and the paranoid, were found to be guilty of nothing — perhaps one of the most sledgehammer to crack a nut and most intrusive of all of Labours laws. (ukpollingreport.co.uk)