What is the definition of Johnny Weapon?

A 'johnny weapon' is like a super-quirky sidekick for any situation, but more specifically, it's a fancy term for a dude's personal, highly-decorated, and utterly useless weapon of choice. It's the ultimate comedic sidekick, always there to make light of any serious situation while still looking like he's about to take on a superhero.

---

Here's an edgy example sentence: "When life gives you a Johnny Weapon, just remember, it's just a plastic toy with a rubber band attached to the head – unless you're auditioning for 'The Proposal,' in which case, it's your trusty sidekick to distract the guy with a really bad sense of humor."