Vazhthukkal is the Tamil word used to offer congratulations and good wishes, and shortened spellings like valthukal valthuka circulate online as people search for the sound in Roman letters. The clip has spread as a quick shareable reaction on soundboards and in short videos, where its brief length makes it easy to drop into edits and messages. It stays popular because it works for sincere celebrations and ironic praise alike, marking exam results, birthdays, promotions and everyday wins without needing a longer song or speech.