or Grammar Police
Annoying guy that keep reminds you every typo you make.
Pretty commun on twitter.

One who is prone to commit typographical errors.

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.

The accidental use of specific sequential keystroke(s) which results in a rare happenstance.

When a popular website is remade with a slightly different name, you accidentally go to that fake website, it can give you a virus. thus the name, typo virus.

-- one of these websites is goole.com a remake of google.com a popular search engine. just by mistyping google you can get a virus. dont worry, goole.com is not a virus, just someone trying to make a popular website.