'uckn 

Australianism - short for "fucken" which is in turn another Australianism - short for "fucking".

"Those 'uckn cunts"

'uckn by Zanoonan June 8, 2021

Ucknit 

This is a word to be used only in extreme cases of annoyance. When no word comes to describe how annoyed you are this is what you should use. Meaning that the offender is so frustrating you would rather pierce your ears out with a rusty screwdriver.

Holly would not leave me alone, she was being a complete ucknit with her asking why we never talk anymore.

Ucknit by The Microwave Dance January 28, 2009

Mofoin Ucknucker 

A greeting from one drunkard to another, essentially slang for mother fucker

What's up mofoin ucknucker, ltns!

Mofoin Ucknucker by Comequicksee March 8, 2023