oh man, you're such a dork.

dave is a cool dork

dave wearing a shirt that says "COOL DORK"

cool dork

john telling dave hes a nerd -he is-

dave denies that he's a nerd but apparently everyone agrees (also john tells him he's a nerd but he's been hypocrticial)

jhon and dave fight over whos the nerd

john holds dave in a tender, brotherly embrace, proclaiming that he is the biggest nerd. dave thinks john should shut his lying mouth up.

Dave is a nerd, says John.