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conk

2 ENTRIES FOUND:
1 conk /ˈkɑːŋk/ noun
plural conks
1 conk
/ˈkɑːŋk/
noun
plural conks
Britannica Dictionary definition of CONK
[count] British slang
2 conk /ˈkɑːŋk/ verb
conks; conked; conking
2 conk
/ˈkɑːŋk/
verb
conks; conked; conking
Britannica Dictionary definition of CONK
[+ object] informal
: to strike or hit (someone or something) hard

conk out

[phrasal verb] informal
of a machine : to stop working properly