Name and origin of writing with period after each word?

Question

It may be limited to the web ecosystem, but I've read a lot of those sentences lately, where each word is followed by a period. Examples: > Oh. My. God. > Best. Job. Ever. > No. F***ing. Way. Putting each word on its own hints the readers should give their full attention to each and every one of them. Does this technique have a name? Can its origin be traced back to a book or article?

Answer 1

This is mainly for emphasis. Know. What. I. Mean?