Answer: peeping

AnswerCrossword Clue
PEEPINGVoyeur's activity
PEEPINGTaking a glimpse
PEEPINGEmulating Tom?
peepingPEEP, to cheep like a chicken
peepingBe just visible; appear slowly or partly or through a small opening
peepingLook quickly and furtively at something, esp. through a narrow opening