I'll save you trouble of searching. This came up because a Trump son tweeted a meme with this frog cartoon in it and journalists went nuts and I had no idea what it was. How Pepe the Frog Became a Nazi Trump Supporter and Alt-Right Symbol.
Also, I knew 88 meant "Heil Hitler", I didn't know 14 meant “we must secure the existence of our people and a future for white children”. Sigh.