Source : WordNet®

snoopy
     adj : offensively curious or inquisitive; "curious about the
           neighbor's doings"; "he flipped through my letters in
           his nosy way"; "prying eyes"; "the snoopy neighbor
           watched us all day" [syn: {nosy}, {nosey}, {prying}]
     n : a fictional beagle in a comic strip drawn by Charles Schulz