Ah how fun for you. It's an old meme. Once you learn about it, your life will not be enriched and you will not be any wiser, you will simply be able to understand the inside joke which isn't even funny or useful or applicable anywhere. Every time something like this comes up on an increasingly rare basis. Google "Is this loss?" Or "Loss 4-panel comic."

https://knowyourmeme.com/memes/loss explains it