The original recording behind this clip is not documented, so it is best understood as a user-shared meme sound rather than a line from a known film or television show. Its humour comes from the Spanish slang phrase me la pela, a blunt way of saying someone does not care, paired here with pensao as a spoken tag. Shared in short videos and reaction edits, it spread because the phrase is recognisable to Spanish-speaking viewers and easy to drop over any dismissive moment. That simplicity keeps it useful for creators who want a confident reaction without a setup.