Etymological Fallacy

What is it?

Arguing that the present-day meaning of a word or phrase must be exactly the same as its historical or original meaning.

Why is it bad?

Arguing that the way a slang term or word is currently used in the community is wrong because it contradicts the original, historical definition.

Example in Chat

@pedantToday at 9:30 AM

You can't say that meme is 'literally' the funniest thing ever. Unless it actually, physically is the pinnacle of all comedy in reality, you're using 'literally' wrong. It means 'in a literal sense', not 'figuratively'.