This is the 4166th most frequent Japanese word.
ーーーッ
"ーーーッ" is an onomatopoeic symbol used in Japanese to convey emphasis, intensity, or a sharp, sudden reaction.
Here, "ヤッターッ" represents an exclamation of joy or triumph, elongated for emphasis.
彼は試験の結果を聞いて、「ヤッターッ！」と叫んだ。
He heard the results of the test and shouted, "Yatta (I did it)!"
In this sentence, "ーーーッ" is used to represent an unclear or abstract sharp sound, often utilized in onomatopoeic expressions.
猫が突然走り出して、「ーーーッ！」という音がした。
The cat suddenly ran off, making a "ーーーッ!" sound.
Here, "ハハハッ" utilizes "ッ" to express the abruptness or emphasis at the end of a laugh, providing a nuanced representation of the sound.