naahy
A naahy is the kind of person who will correct your spelling even if you spelled it right and they spelled it wrong.
You write 'I love pizza.' They say, 'You should write I love pizza.'
You say 'I'm gonna eat a burger.' They say, 'You should say I am going to eat a burger.'
You post 'This is the best day ever.' They say, 'You should say this is the best day ever.'