Answer: EYER

AnswerCrossword Clue
EYERPeeping Tom, for one
EYEROne checking out?
EYEROne making sidelong glances
EYEROgling one
EYERBeholder
EYERGood looker?
EYERPeeping Tom, e.g.
EYERViewer
EYERAppraiser
EYEROne giving the once-over
EYEROne who watches
EYERFlirt, maybe
EYEROne who gets a good look
EYERAdmirer from a distance
EYERPerson ogling
EYERSpectator
EYEROlger
EYERClose looker
EYERClose observer
EYERFlirt
eyerone that eyes (to watch closely)
EYERWolf, at times
EYEROgler
EYERLeering one
EYERStarer
EYEROgler, say
EYEROne watching
EYERWatchful one
EYERPeeping Tom
EYEROne having a look
EYERObservant one
EYERGiver of regards
EYERBinoculars user
EYERLooker
EYEROne staring
EYERWatcher
EYERAdmirer at a distance
EYERInspector
EYERObserver
EYERRubbernecker