I. conk 1 /kɒŋk $ kɑːŋk, kɒːŋk/ BrE AmE noun [countable] British English informal
a nose
II. conk 2 BrE AmE verb [transitive]
[ Date: 1800-1900 ; Origin: ⇨ ↑ conk 2 ; conk out 1900-2000 Origin unknown ]
informal to hit someone hard, especially on the head
conk out phrasal verb informal
1 . if a machine or car conks out, it suddenly stops working:
Our car conked out on the way home.
2 . if someone conks out, they fall asleep because they are very tired:
I got home from work and I just conked out on the sofa.