This is the 3714th most frequent Japanese word.
かよ
The word "かよ" is a colloquial expression used at the end of a sentence to convey disbelief, sarcasm, or questioning, similar to "Really?" or "Seriously?" in English.
'かよ' here adds a casual tone, indicating slight surprise or rhetorical inquiry.
次の週末に会いに来るのかよ。
Are you coming to meet me next weekend?
In this usage, 'かよ' emphasizes an emotional reaction to surprising information.
それが本当なら信じられないよ、かよ。
If that is true, I cannot believe it, really?
'かよ' is used at the end of the sentence as a colloquial confirmation or disbelief expression.