Definition of gongs:
(n) :
(music) A percussion instrument consisting of a metal disk that emits a loud resonant sound when struck with a soft hammer.
(n) :
A metal target that emits a sound when it has been hit.
(v) :
(intransitive) To make the sound of a gong; to ring a gong.
(v) :
(transitive) To send a signal to, using a gong or similar device.
(v) :
To halt (originally, a contestant in a talent show; later, a performer, a speaker).
(v) :
To warn.