Peek in someone's medicine cabinet, perhaps
Else clues• ___ Dogg
• Doggy Fizzle Televizzle star, familiarly
• Gin & Juice rapper
• Act on one's nosiness
• Ask too much?
• Be a busybody
• Be a quidnunc
• Be nosy
• Be too inquisitive
• Be too interested
• Busybody
• Butt in
• Buttinsky
• Check the contents of the host's medicine cabinet
• Curious sort
• Detective
• Do detective work
• Doggy Dogg
• Eavesdrop or eavesdropper
• Eavesdropper
• Emulate Nero Wolfe
• Emulate Woodward and Bernstein
• First name in gangsta rap
• First name in rap
• Follow one's nose?
• Get inquisitive
• Get overly personal
• Get your nose into someone's business
• Go looking in other people's stuff
• Gumshoe
• Imitate a private investigator
• Jessica Fletcher, for one
• Listen at keyholes
• Listen in (on)
• Look for dirt
• Look into more than necessary
• Look where one shouldn't
• Meddle
• Mind another's business
• Nero Wolfe, for one
• Nose
• Nose (around)
• Nose into
• Nosey Parker
• Nosy Nellie
• Nosy one
• Nosy sort
• Nosy type
• Officiously intermeddle
• One of Marlo's henchmen on The Wire
• One who peeps, perhaps
• One who pries
• One who's in your business?
• One with a big nose
• One with an interest in your business
• One with prying eyes
• Overinquisitive one
• Paparazzo sort
• Peeper
• Person with a big nose?
• Pesky neighbor
• Prier
• Privacy violator
• Private detective
• Private eye
• Pry
• Pry and then some
• Prying person
• Prying sort
• Quidnunc
• Rapper Dogg
• Rapper who recently changed his last name to Lion
• Rappin' Dogg
• Reader of someone else's diary, say
• Search intrusively
• Sneaky peeker
• Spy on
• Stick one's nose in
• Washed-up-but-still-nominally-entertaining Dogg After Dark host, casually
• Work as a shamus
• Yenta
• A spy who makes uninvited inquiries into the private affairs of others