While recovering from his quadruple (actually, quintuple) bypass, he said he felt like he had woken up on the other side of the rainbow, not in a good way. His world was flipped, quite literally. He said everything was sideways for about 2 days - a bad acid trip of sorts. So this is where the distorted perspective comes from in the tattoo. Starting on the left with the crops at 90°, then flipped to a bird eye view straight down, spelling dad in the crop circles, and back to 90.