An adjective, in Latin American Spanish, that refers to an individual as being high on acid
, usually as evidenced by widened pupils, sweating, and talking too much, too loudly, or about obscure subject matter. Referred to in English as tripping
Friend 1: WOW! Carlos was talking my ear off last night at the festival! What was he on?
Friend 2: Yeah man, he was all acidiao! I couldn't understand what he was even talking about!