plip

noun1

1. •
   A light sound or action like liquid hitting a surface.

   • He heard the plips of rain on the roof.

verb2

1. •
   To make the sound of liquid hitting a hard surface.
2. •
   To lock or unlock using a remote control locking device.

   • […] was unloading bags from the boot of a tiny, shiny, black Ka thing which she then plipped shut with an electronic key. — 2004

noun1

1. •
   A locking system for motor vehicles that uses a small, hand-held remote control.