Kansai-area interjection expressing that something is absurd, foolish, or not worth taking seriously. Often used in casual, spoken Japanese. Related to アホくさい.
Standard Japanese adjective with a similar meaning, but アホくさ is a Kansai-flavored interjection.
Etymology
Derived from アホ (fool) + くさい (smelling of, seeming like), with the final い dropped to form an interjection. The exact derivation is uncertain, but it is a Kansai dialect expression.
