One of those people that nobody likes but every one deals with because he is smart and you want his answers.

An extremely annoying person.
Kelly--"Kosch is such a fucking poseeka. He's always shanking us and never shuts the fuck up. He Thinks he is always right"

Lexi-- "I know. He's an asswipe."
by IHATEKOSCH August 8, 2010
Get the Poseeka mug.