chikatto
One sharp, instantaneous flash — a camera flash, a spark from metal striking, or the momentary glare of reflected sunlight. Shorter and more sudden than chika-chika's repeated flickering.
💡Someone taking a photo at a party — 'The camera flashed chikatto and blinded me for a second.'
カメラのフラッシュがちかっと光った。
The camera flash went chikatto.
The camera flashed ___ and left spots in my vision.
カメラのフラッシュが○○光って、目がちかちかした。