A non-gay person, who is otherwise classified as a homo. See also Cory.
Alex:Dude, I dont know why your so straight.
Cory:NO! I am not a straighty, I think about dicks all day long!
by Auer March 6, 2008
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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.
by zi-dawg July 29, 2009
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Someone who is completely straight-up, clean, and normally is oblivious to things such as popular slang, and the pop culture involving drugs, alcohol, sexual promiscuity, and such.
cool kid: "Dude, i got so slammed last night that i went to third with that nerd in my biology class!"
straighty one-eighty: "What are you talking about? slammed by what? and where's 'third'?"
cool kid: "Man, you're such a straighty one-eighty."
by Really cool Kid :) October 9, 2008
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= Straight + besties
Who are the best allies you can ever have also is way too cool and beautiful than you but love and protect you anyway.
Used in lgbtq+ community
Mood: when you have way too fabulous straighties that you tell yourself to never dream of getting a boy/girlfriend (both negative and possitive)
by Hedgyhead September 3, 2017
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A woman who looks like she plays it by the books, but actually gets high thinking about other people getting high, yet doesnt partake?
Is a white rap queen with soul of a Sista!
Person 1: Is that woman high?
Person 2: nah man, she’s Straighty 180, she gets high just thinking about weed but she don’t smoke
by Malady Pegasus October 3, 2018
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