Definition 1 of 1
Supposedly the spouse-swapping method practised in the Indian Army, where all Bajaj and Chetak keys are placed just inside the front door of a house at a dinner party. As guests leave, the wives pick out random scooter keys, going home for the night with whoever it is.
"What happens to the 'scooter-key system' after you're promoted? Car-key system? Doesn't have the same ring to it."
Added 2011-07-04 by Minkey Chief