แย่จัง is an everyday Thai phrase used to express sympathy when something turns out badly, similar to saying oh no or that's a pity in English. Online, the romanised form aey chang circulates on soundboards as a reaction clip shared for minor disappointments rather than real tragedies. Its appeal is the contrast between the gentle wording and an exaggerated situation, which makes fails, awkward pauses and unlucky outcomes feel playful. The clip continues to be reused because the meaning is clear even to viewers who do not speak Thai.