Wah wah is the traditional call of appreciation at a mushaira, the South Asian poetry gathering where poets recite shayari before a live audience. When a couplet lands, listeners answer with wah wah, sometimes repeated in chorus, to show they felt the wordplay or emotion. Clips of these reactions have travelled widely through poetry videos, comedy edits and social media reels, where the chant is now recognised even by viewers who do not follow Urdu poetry. It remains popular because it instantly frames any line as clever, heartfelt or worthy of applause.