A combined process of hyperventilation followed by squeezing of the chest to cut off oxygen to the brain, resulting in a semi-euphoric "rush" to the head often accompanied by the sensation of "seeing stars." Normally performed in a group, with the targeted individual assisted through the process by others who surround him or her. Considered to be a cheap "natural" high by partakers.
The Gong Bong was a practice occasionally observed among "hippies" during the 1960s, and analogous to what is currently being called "the choking game"
by Popeye Kahn January 27, 2012