What does PING stand for?

Packet Internet Gopher - A simple way to time or test the response of an Internet connection

Packet Internet Groper - Computer program

Packet Internet Grouper - Military technology (DDF)

Pulsed Inertial Navigation and Guidance (SAUS)

Packet Internet Groper - Computer science (IGQR)

Pinguis - Fat, Grease - Latin (DAVI)