The Term "trap" Is used usually towards people that would at first appear to be cute girls, But are actually boys who have more of a feminine side whether being a homosexual or not. This links to the meme "traps are gay" Where men argue whether being intimate or liking a "trap" is gay.
Don't fall for it dude, that's really a trap! It's a trap. Traps are gay. She's a Trap. #meme