1. a word used to heighten the suspense, said while performing some suspenseful action. Ákù nang bunútun paghínay ang baráha. Ístakul! I’ll take the card out slowly. Here goes! 2. particle used after giving a series of commands: fine, that’s good now. Atras pa, diyútay na lang. Ístakul! Back it up some more, a little more. O.K., fine.