Initially I ran on my collar number. First mobile patrol on my own with Panda I was Papa-two-seven (actually Papa-papa-two-seven but the first (or second depending on your point of view!) papa was always dropped for brevity.)
Sleeve:- The act of making a potentially griefy LOB job go away with NFPA (No Further Police Action). i.e. "it was a verbal altercation, all parties have been advised re their behaviour and have gone their seperate ways, no offences disclosed" when called to a couple of drunken idiots having a pop at one another outside whatever s**t hole nightclub they've just been ejected from for fighting. . . a job well sleeved!