Definitions by Mike Longford

Knackered as a fish

Tired, worn out etc
Knackered as a salmon when extremly tired

I've just been running from the pigs, now im knackered as a fish

Knackered as a fish by Mike Longford January 8, 2009

Knackered as a salmon 

exhausted, very tired
used to describe, ones self, or someone else when they are physically or mentally exhausted

'when i got to the top of Mt. Everast I was knackered as a salmon'

'i had to stay up for 3 days straight, now im knackered as a salmon'

Knackered as a salmon by Mike Longford January 9, 2008