As far as I'm aware knackered is a religious slang term for Jesus on the cross and was classed as a swear word even in Victorian times. It would appear that its conitation has changed over time and its meaning diluted; therefore no longer is classed by the masses as Swearing. Try it in Church!
lacquered
Knackered.
it means your tired
Knackered has several meanings from the the benign meaning of exhausted to the more explicit idea of being sexually spent. More meanings can be found in urban dictionaries.
if your a sissy then its swearing if not its not swearing!
A slang word that starts with k is knackered
Out of breath. Flushed Close to passing out Knackered.
Your freezer must be switched off or knackered ! mickf15
cause its knackered
A nonspecific calf injury. If your calf is knackered then you have calf-knack. It is a colloquialism from Britain.
because everybody will start swearing
It has ALOT of swearing.