conk
Concise Oxford English Dictionary © 2008 Oxford University Press:
conk1
▶verb (conk out) informal
- 1 (of a machine) break down.
- 2 faint or go to sleep.
■ die.
– origin First World War: of unknown origin.
Concise Oxford English Dictionary © 2008 Oxford University Press:
conk2 informal
▶noun
- 1 Brit. a person's nose.
- 2 dated a person's head.
'conk' also found in these Oxford entries:

