passing
deeeath
necrophilia
kill
way of all flesh
Paraguay tea
predecease
knocking on heaven's door
thanatogenetic
fatal
vitally challenged
deadly
deathward
ob.
corpsehood
article of death
Death
ND
thanatology
bite the biscuit
fall off one's perch
flatline
cash in
go belly-up
go
cross the Styx
cark it
draw one's last breath
drop off the hooks
cop one's whack
bite the dust
go home
stiff
go the way of all the earth
bite the big one
cock one's toes
depart
go out
check out
croak
cash in one's chips
buy it
expire
thanatoid