twists and turns

/T W IH1 S T S AH0 N D T ER0 N Z/
verb
  1. 1

    To move one way then the other, or in unpredictable erratic gyrations.

noun
  1. 1

    Abrupt changes in direction or orientation (often used figuratively).

Source: https://en.wiktionary.org/wiki/twist%20and%20turn, https://en.wiktionary.org/wiki/twists%20and%20turns