The exact origin of PS Leberwurst is not widely documented, and it circulates mainly as a short soundboard clip rather than as a widely known scene or song. Its appeal comes from the phrase itself, combining a brief postscript-style opener with a very specific German food word that sounds funny to listeners who do not expect it in an edit. That randomness has helped it travel through meme edits and reaction videos, where creators use it less as a reference and more as a compact, reusable joke that instantly signals absurd humour.