the sound made when a vagina(or anus) penetrating cock catches and bends and at the same the porn director's movie thingy snaps to signal "cut". the timing must be very precise. very hard to pull off. only one copy has ever been found and last i heard it was spotted at the U of Michigan but started it's journey in Hauppauge,LI,NY.
1.Loud, obnoxious co-worker who snaps her fingers on the way to the bathroom, the fax machine, the photocopier, the lunchroom, the boardroom, etc.
2.Co-worker who's head you would love to snap right off.