FNTA Share definition Flag Abbreviation for "Fuck Not This Again". Used to inform someone that you've already seen some bullshit YouTube video or 4chan meme, and are clearly not amused. Chocolate Rain?! FNTA. FNTA by PaqueMann March 11, 2010 0 0 Get merch Get the FNTA mug. Buy Now — $32.95 See more merch
