also: あーあー · あーーー
interjection
aaah!; oh no!; oh boy!
An interjection expressing despair, resignation, boredom, disgust, or similar negative feelings. Often drawn out for emphasis.
See also: ああ
ああああ、また失敗しちゃった。
Aaah, I messed up again.
あーあー、つまんないなあ。
Oh boy, this is so boring.
ああ is a shorter, more general interjection that can express a wider range of emotions (surprise, realization, etc.), while ああああ is specifically drawn out to emphasize negative feelings like despair or disgust.
A drawn-out variant of the interjection ああ, with reduplication for emphasis. The kanji form 嗚呼嗚呼 is ateji.