I've summed all the ways of saying "to die" I've found in this thread. Incredible...:
to buy a farm, or simply, to buy it. for example: he bought it during a skirmish with the jerries. also, when somebody dies, they croak. to give up the ghost, to kick the bucket, to fall off one's perch, to bite the dust, to pop one's clogs
to pop off
six feet under
to be dead as a doornail
to cash in one's chips
to be pushing up the daisies
to snuff it
What a wonderful language !!