The dolphin laugh became popular online as a shareable reaction clip rather than as a nature recording, circulating on soundboards and in short meme videos where a squeaky giggle could replace a written laugh. Its appeal is the resemblance to human laughter pushed into a cartoon register, so viewers understand the mood even without context. Creators keep reusing it because the sound is short, recognisable and family friendly, fitting reaction edits, pet videos and gaming highlights without needing explanation or dialogue to set up the joke for new audiences.