fat knacker

contrary to popular belief the term 'fat knacker' is quite often used to insult someone who is not actually fat. But who is stuffing their amply sized gob full of something a fat person would eat.
Implies that they get knackered whilst eating hence the term fat knacker.
Also can be used to describe someone who is just insanely fat and gets tired shuffling to the fridge.

(note: i have absolutely nothing against fat people, the term fat knacker would only be used (in my case) to describe someone fat and a total ass wipe)

WTF! you're going back for another hamburger? you better hurry up and eat that then you fat knacker!

Fat Person: 'Ha! look at that bitch Lucy over there'
Me: Shut the fuck up you fat knacker!

by Lucy-fer in the sky with diamonds August 24, 2004

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knackertache

Also spelt as Knackertash
Used to describe a half grown moustache commonly seen on Knackers or Skangers in Dublin, Ireland. Comical to look at.

Ha ha Look at the knackertache on him

by green_ajah December 21, 2005

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old knackers yard

A old women's pussy

Simon.. She alright for her age isn't she, she's giving you the eye

Mike... Your joking mate, she must be 60, I am not going up that old knackers yard

by mitch00uk April 2, 2015

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Knacker Talc

Talcum powder that is used liberally around the balls / groinal area to avoid the dreaded sack rash. Can also be used whilst doing a handstand as hoop powder to create mini anal atomic mushroom clouds, as in Mr. Methane!

After an extreme shagfest, Chris said 'Pass me the knacker talc, me clems are on fire!'

In the case of hoop powder, 'Pour it down me crevis and stand clear - I'm about to let one off after eating that ninja curry last night!'

by Helmet Licker September 9, 2006