Definition of onkus in English:

onkus

Line breaks: onkus
Pronunciation: /ˈɒŋkəs
 
/

adjective

Australian/NZ informal , dated
Unpleasant or inferior.

Origin

early 20th century: of unknown origin.

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Word of the day neoteny
Pronunciation: niːˈɒt(ə)ni
noun
retention of juvenile features in the adult animal