1st. A person who cannot pass up the opportunity to correct another person's crammed and/or ability to spell words correctly. Usually through text message, email, message boards and chat/instant messaging platforms. 2nd. A person who emotionally feels superior based off their crammed and spelling capability. Literally will metaphorically drop what they are doing to correct, shame and/or demean another persons moment of grammatical error, or lack of education. Also, may actually be a slut in all pretensesmof the word.
"Your going to do great things Carol." -Cheryl
"You're* " -Carol
"Why don't you not be such a typo slut Carol." -Cheryl
"Why are you such a typo slut, Carol." -Carol
".........." - Cheryl