Somebody that uses owo way to often.
person 1: Hey, can we call real quick? owo
person 2: Not today, owoomer!
An acronym meaning "Not interested, get gone effin' retard."
Used as an insultive way of phrasing you don't want something.
Jarred - "Hey, I heard about your articles online and I really want to buy your company, I've got a lot planned for it and I can offer an anual price of $15,000!"
Kari - "N.I.G.G.E.R, bye."