Luckycharmjuice is another expression to call someone queer/fruity. but its not in the way you would typically call someone fruity. you wouldn't say: "omg that person over there is so luckycharmjuice" that is very incorrect.
Person A: "damn they must of drank the luckycharmjuice!"
Person B: "they definitely did they look #fruity"
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.