demise
succumb
quell
toddle off
cock one's toes
go the way of all the earth
kick
cross the Styx
peg it
peg out
fall off one's perch
pay the debt of nature
slip one's wind
cash in one's chips
querk
deathwise
cop one's whack
expire
join the choir invisible
flatline
kick the bucket
turn to dust
meet one's doom
go to sleep
hand in one's checks
hand in one's dinner pail
go
bite the biscuit
pass on
suck the kumara
cark it
buy it
turn up one's toes
pass
push up daisies
fatally
life-or-death
deadliness
have one foot in the grave
serial kill
malignant
lose one's life
snuff it
COD
rub out
fatalistically
bump off