interjection
hooray!; yay!; woohoo!
Colloquial, excited interjection used when something goes well or as hoped. Similar to やった but with a more playful, drawn-out tone.
See also: やった
テストで満点取った!やりぃっ!
I got a perfect score on the test! Yay!
やりぃっ!ついに当たった!
Woohoo! I finally won!