Her parents sent her to boarding school to 'straighten' her 'out'.
He took time to 'straighten out' the papers on his desk.
You need to 'straighten out' your legs for this stretch.
(..) which you had no fuckin' business playin'. You're not comin' down on anything anymore. - I've dealt with Hips for years. - Let me straighten you out... just so we understand each other. You're here to tell how you're gonna make good on that debt right now. I teach. You could have my checks. (..)1974 The Gambler
(..) Uptown college. No kiddin'? Then you're a professor? I thought you were a high school instructor. Would you straighten me out on something? Definitely. - Why do I have to meet this guy? - Bernie? You're correct. (..)1974 The Gambler