GFLAT Share definition Flag Acronym: Get Fucked! Look At That! An expression of awe. When driving along a see something amazing one might say "GFLAT she's hot!" or "GFLAT that's the biggest mountain I've ever seen!" GFLAT by Just Another DJ September 15, 2009 0 0 Get merch Get the GFLAT mug. Buy Now — $32.95 See more merch