idcgfyn Share definition Flag a term meaning "i don't care go fuck yourself n00b", usually used by n00bs. n00b1: 0mf9z s0 lyk3 h3 s3d h3 wuD ƒu(k m3h and h3 s71ll h4snt n00b2: idcgfyn idcgfyn by a person December 15, 2004 0 0 Get merch Get the idcgfyn mug. Buy Now — $32.95 See more merch