Playground Slang:

“Ever been called a “shreddie”, felt like a quick “wallace and gromit”, shown your “spider’s legs” or been given a “hitler”? If you have, well, so sorry. If you haven’t the slightest idea what the terms mean, then Chris Lewis has the very book for you.”

–from an online article about playground slang.

The book? The Dictionary of Playground Slang.

The website? Online Dictionary of Playground Slang.

Not for anybody subject to junior high flashbacks.