Acid attack Share definition Flag Nausea that does not follow with vomiting, usually triggered with people with G.E.R.D., or Acid Reflux. "Dude, I feel like I'm having an acid attack. Go get me some tums!" Acid attack by Slumberingmoon October 24, 2009 0 0 Get merch Get the Acid attack mug. Buy Now — $32.95 See more merch