I.straighten up VB [ˈstreɪt(ə)n -] (straighten up)
1. straighten up person:
2. straighten up (tidy up):
II.straighten up VB [ˈstreɪt(ə)n -] (straighten up [sb, sth], straighten [sb, sth] up)
1. straighten up leaning, crooked object:
2. straighten up (tidy):
- go and straighten yourself up! colloq