It depends on the context, but it usually means doubt or some sort of misbelief. It could also be minor surprise. But like I said, it really depends on the context of the situation and what he's doing with the rest of his person.
It depends. Usually, he's confused, in disbelief or shock, or thinks your crazy. It depends, though.
Probably he finds you attractive and wants to get your attention.
A flirty smile from a guy may involve a subtle grin, raised eyebrows, and direct eye contact. It can convey charm, interest, and playfulness.
Cuz that means that they like you
It means he's into you.
It means that he likes it.
It means he's nice, don't look to into it.
it means a girl that shares his sense of humor
raise my eyebrows at him and tell him to get a life. tell hin to F*** off nd get a life but make sure to slap him in the face
it means the thinks your pretty and cute, hes flirting with you.
It means he really really loves you
It means he really likes you or accepts you as a friend
yes it would you should definetly do this.