This is the 758th most frequent Japanese word.
ちゃっ
The term "ちゃっ" does not have a clear standalone meaning in Japanese and may be part of a colloquial expression or onomatopoeia. Context is needed.
ちゃっちゃ indicates quickly and efficiently completing a task.
今日はちゃっちゃと宿題を終わらせよう。
Let's quickly finish our homework today.
ちゃっちゃっと is used as an onomatopoeic expression indicating neat and rapid actions.
彼はペンをちゃっちゃっと片付けた。
He tidily cleaned up the pens.
ちゃっ serves as an exclamation to get attention or pause the conversation.