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1.
JGC
A super-awesome replacement acronym meaning 'Jolly Good Chuckle' which exists on a much higher level than the lowly LOL, ROFL and LMAO.
Hero A: *LOL FGGT McNGGT LOLOL0LROFL LMAO THAT'S WHAT SHE SAID!!SIX!*

Hero B: JGC

*...* - indicating irony.
by christ palmer October 02, 2007