When someone hits on a person that is clearly not interested. They didn't read the room, they're emotionally dyslexic,
Yoh, Chad just got batted by that betty who's been avoiding him all night. Man's emotionally dyslexic.
A Dyslexic Ginger is a ginger or redheaded person with the reading disability known as dyslexia which affects reading, spelling, and writing.
Jack: Hey Bob, who's that new kid?
Bob: Oh that carrot-top? Idk, but his hand writing is so bad dude.
Jack: So practically a Dyslexic Ginger
Bob: A what?
Jack: Look it up on urban dictionary