I tried to sue the airline for losing my luggage

This joke starts with a clever bit of wordplay, hinging on the double meaning of "lost my case." In the legal world, to "lose your case" means you didn't win your lawsuit, which is a common (and often frustrating) outcome when dealing with airlines over lost luggage. But, given the initial setup, the phrase also conjures the image of literally losing a physical suitcase, creating a neat linguistic trick that makes you chuckle as the two meanings click into place.

Just when you've appreciated that initial pun, the joke takes a delightful turn into pure absurdity. The sudden, unexpected mention of an "octopus being armed" is a classic non-sequitur – a statement that completely breaks from the previous topic. The humor here comes from the jarring, illogical leap, forcing your brain to do a double-take. It's an extra layer of silliness, perhaps even a third subtle pun on "armed" (referring to an octopus's many limbs versus carrying weaponry), that elevates the joke from a simple pun to a surreal, memorable punchline.