Meaning of あーあ in Japanese

Definition of あーあ

あーあ(aaa)

(int) oh no (used as an expression of despair or when giving up); sigh of boredom or disgust; oh boy

「おい。走るはしると危ないあぶないぞ」「え？・・・わっ、わ、うわわ〜〜〜っ」「あーあー、言わんこっちゃないいわんこっちゃない」

"Hey! It's dangerous to run here." "Eh? ... A-a-Aaah!!" "Oh dear, what did I tell you?"

Oh, the toast is burned black.

The long rain makes me sick.