Not/never darken somebody's door again - Idioms by The Free Dictionary
not/never darken somebody's door again
not darken (one's) door again
To never return to one's home. Used when referring to an unwelcome visitor. Don't worry, I've made sure that he won't darken our door again.
not/never darken somebody’s ˌdoor aˈgain (old-fashioned or humorous) not/never come to somebody’s home again because you are not welcome: Go! And never darken my door again!