It is not dyslexic but rather dylexic. When someone has a brain fart while speaking or performing an action and doesn't understand what they are trying to say/do.
Friend :Wanna hear a joke?
Me: yeah sure? tell the joke.
Friend : Walks away*
Me: Bro, you dylexic af.
Me: yeah sure? tell the joke.
Friend : Walks away*
Me: Bro, you dylexic af.
by Short aunty 69 May 2, 2021