KO
cheese grater
clincher
comminutor
conclusive argument
death stroke
deathblow
end-all
ender
final stroke
finisher
finishing stroke
floorer
granulator
grater
grinder
kayo
kayo punch
knockdown argument
knockout
knockout blow
kominuter
last dab
levigator
masher
mill
millstone
mortar and pestle
nutmeg grater
pestle
pulverizer
quern
quernstone
quietus
rock crusher
roller
settler
shredder
sockdolager
steamroller
stopper
triturator
device
Sander
chastiser
concentrator
crushers
innage
preparers
puller
represser
ricer
self-registering
stonecutter
superheater
gusher
lusher
musher
rusher
slusher
usher