gigagasp 

A monstrous gasp of epic proportions, usually brought about due to some insane or horrific event.

Rastafarian - "I shot the sheriff, but I didn't shoot no deputy!"

World - "Gigagasp!"

gigagasp by KindaSortaAisan June 3, 2011

gigagasm 

an extreme orgasm, more intense than usual

Man 1: Wow, i slept with tina last night.
Man 2: Did she reach orgasm?
Man 1: It was a gigagasm!
Man 2: You wish.

gigagasm by mikezorr November 15, 2006