Used a lot by Canadians, 'Aye' can be used as a greeting. It is usually used in a sentence, based on the sentence it can indicate the meaning. Such as "Aye! What are you doing on my yard!" The Aye is used aggressively, it can be used as a expression.

Aye

When addressing another person, usually someone who is more than just an acquaintance, while accompanied with a gestural greeting with one hand (handshake).

American slang term used to attract attention, to express surprise, interest, or annoyance, or to elicit agreement just like the word "hey" or "yo"

Aye means yes or yea

An affirmative answer for a roll call identifying who has had a sexual climax, or made a cummy, on the current day.