A noob, dweeb or geek that plays everything by the rules, knows every book off by heart, but is a total douche bag in society.
1) Matt: Hey, how come Peter never comes out to party with us anymore?
Jane: He's stuck in his room doing his english papers. He's such a fucking straighty 180.
2) Phil: Daym, I can't believe Mya's going out with that douche bag. She's way too hot for him!
Matt: Doode, what do you expect? He's studying law. Fucking striahgty 180.