カクカク

adverb, noun or participle which takes 'suru'

ruggedly; jaggedly; stiffly

Describes something with sharp angles, rough edges, or stiff, jerky movement. Often used for physical objects, textures, or motion.

• この岩いわはカクカクしていて、触さわると痛いたい。

  This rock is jagged and hurts to touch.

• ロボットがカクカクした動うごきで歩あるいている。

  The robot is walking with stiff, jerky movements.

adverb, noun or participle which takes 'suru'

choppy; laggy; clunky

Computing term for graphics or performance that is not smooth, with visible stuttering or low frame rate.

• このゲームはグラフィックがカクカクしていて、快かい適てきにプレイできない。

  This game's graphics are choppy and I can't play it comfortably.