>>469386The original version is HHWP, for "Heil Hitler White Power," a phrase regularly used by white supremacist prison gangs and later adopted by gamers, who used it as an exclamation of victory.
The use of G instead of H is based on a common typo, similar to how the word "pwned" is used instead of "owned." But because the letter G is next to H on the keyboard, it was sometimes mistyped as GGWP and was eventually adopted as such.
