cu-lah Share definition Flag color; in reference to the colors used in gangs to determine class and territory. pronounced : coo-laH front che cu-lah negro as used in rap lyric: "cu-lah all in da rims" cu-lah by b.jamin brehm May 6, 2008 0 0 Get merch Get the cu-lah mug. Buy Now — $32.95 See more merch