The exact original video behind this clip is not clearly documented, which is common for short phrases that circulate through Filipino meme pages and user-made soundboards. The line itself uses everyday Tagalog, with pokpok used here as a cheeky insult and naman pala adding a sense of belated realisation, roughly meaning so that is what it was after all. That combination of slang and surprise has kept it useful as a short reaction sound, passed between creators who want a quick, culturally familiar punchline for reveal moments.