roll·er coast·er
noun \ˈrō-lər-ˌkō-stər, ˈrō-lē-ˌkō-\1
: an elevated railway (as in an amusement park) constructed with sharp curves and steep inclines on which cars roll
2
: something resembling a roller coaster; especially : behavior, events, or experiences characterized by sudden and extreme changes <an emotional roller coaster>
...I want you to burn my bridges down
