FOMCROFLSHICB Share definition Flag meaning you have fallen out of ur chair rolling on floor laughing so hard u cannot breathe Bob: brb, here talk to jo Tim: jo??? Bob: Jo mama!!! Tim: fomcroflshicb FOMCROFLSHICB by Shaun Smith January 28, 2006 0 0 Get merch Get the FOMCROFLSHICB mug. Buy Now — $32.95 See more merch