1. one who takes an extra 15 minutes for their lunch. every day.
2. a person (or persons) who comes back late from meetings even though they were round the corner and the meeting was cancelled.
theres a guy in my office who takes the fucking piss constantly. the other day he went to meet a client in the morning and didnt come back until the afternoon with some shyte excuse about train delays and the food taking 'ages'. the fucking time thief.