This is entertainment fandom, not a medical or legal question—but accuracy still matters. The danger isn’t harm; it’s misinformation. When phrases like proud family peanut head get repeated without source context, the internet can solidify a false “origin” in people’s minds.
Use a conservative approach: treat the phrase as fandom shorthand until you can tie it to a particular scene. If you’re building a post, avoid making it sound like the show itself endorses the term unless you can show that usage came directly from creators or documented press. Most often, it didn’t—it came from viewers.
And if you’re writing about it (for a blog, a video script, or a caption series), label your statements clearly: “fans use it to mean…” versus “the show says…”. That one habit improves trust instantly.