pass away
buy it (U.S. slang) buy the farm (U.S. slang) check out (U.S. slang) croak (slang) decease, depart (this life), die, expire, go belly-up (slang) kick it (slang) kick the bucket (slang) pass on, pass over, peg it (informal) peg out (informal) pop one's clogs (informal) shuffle off this mortal coil, snuff it (informal)