come off in WordNet English dictionary

1. break off (a piece from a whole)
   "Her tooth chipped"
   chip  chip off  come off  break away  break off 
   
2. come to be detached
   "His retina detached and he had to be rushed into surgery"
   detach  come off  come away 
   
3. happen in a particular manner
   "how did your talk go over?"
   go off  come off  go over 
   

come off in English Wiktionary