Neckzilla Share definition Flag A neck that is so fat it scares little children and makes Asians drop their cameras and run through the streets with their hands over their heads! Phil has been eating so much Fried Watermelon that he has achieved Neckzilla status! Neckzilla by Guy Kite January 12, 2008 0 0 Get merch Get the Neckzilla mug. Buy Now — $32.95 See more merch