Somebody who corrects someone else, and they're a complete asshole/sarcastic about it.
Guy 1: i li3k pie

e cleanser: Guy 1, I believe that the correct grammer and usage of that sentence is "I like pie". Correct spelling is always of the utmost importance when on the Internet.

Guy 1: Stfu e cleanser
by baconfreshbacon November 23, 2009
Get the e cleanser mug.