Ei boi
Ei boi is very similar to its counter part (ya boi) however it is more like a more annoyed version.
For example. (annoying person) - hey hey you
(you the normal person) - Ei boi!
(you the normal person) - Ei boi!
blue eyed boy
Some one can do no wrong, who is specially treated, especially by an authority figure.
"She won't tell me anything about that, Im her "blue eyed boy".