tail number

Da current tally of "willing" chicks whom you've met during commercial-airline trips.

If you want to "rack" up an impressive "tail number" without having to use up all of your frequent-flier miles just to snag one or two hotties per trip, try getting a seat on a cheerleader-transport flight, since there will be lots of cute rumps all gathered together on just dat single journey, and so your "little black book" might attain a good number of entries all at once, rather than their just being added one-by-one from da random hot-in-da-crotch female passenger whom you'd happen across on each separate plane-ride.