Definition of nosy parker noun from the Oxford Advanced Learner's Dictionary

 

nosy parker

 noun
noun
BrE
 
; NAmE
 
(British English, informal, becoming old-fashioned) Showing interest
 
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a person who is too interested in other people’s affairs See related entries: Showing interest Word Origin early 20th cent.: from the postcard caption “The Adventures of Nosey Parker”, referring to a peeping Tom in Hyde Park.