GTFOOMF Share definition Flag A shorter version of the term "Get the fuck out of my face." Pronounced "Get foom-fh" John kept spam texting me and I was like GTFOOMF! GTFOOMF by Vl4d1m1r March 27, 2009 0 0 Get merch Get the GTFOOMF mug. Buy Now — $32.95 See more merch