1 definition by Robin L
The act of popping into frame when a random person is taking a picture. A very enjoyable hobby to pass time, and to anonymously make yourself known.
Guy 1: Look at this picture! Who's that person behind you making that disgusting face!
Guy 2: Someone was lurking! Gaaaahhhh
Guy 2: Someone was lurking! Gaaaahhhh
by Robin L December 7, 2007