This is the 5492nd most frequent Japanese word.
ぇぇええ
It is an expression of surprise, disbelief, or confusion, similar to "Eh?!" or "What?!" in English.
In this sentence, 'ぇぇええ' expresses surprise and confusion.
ぇぇええ、何が起こったの？
Eh, what just happened?
Here, 'ぇぇええ' conveys a reaction of disbelief or doubt.
ぇぇええ、それは本当なんですか？
Eh, is that really true?
In this context, 'ぇぇええ' shows a tone of consideration before agreement.