the act of laughing slightly more than rofl, but not as much as roflmao, funny enough to actually laugh IRL, but not enough to actually roll around like an idiot.
initialism that stands for: Laughing Out Loud Rolling On (the) FloorLaughing My Ass Off Away From Keyboard
Talking to my mate Greg on MSN:
-Sorry I haven't responded in 12 minutes, I've been LOLROFLMAOAFK because I saw an Animal Planet video of a cat named Reginald being given a bath, and I have been DYING.