Knackered 

1. Exhausted
2. Sexually spent
3. Reprimanded
4. Broken / malfunctional

1. I was knackered when I got in from work.
2. After my seventh ejaculation I was well and truly knackered.
3. The teacher caught us smoking and now we're going to get really knackered.
4. I tried to fix my dad's PC but now it's more knackered than ever.

Knackered by Dan Fox June 12, 2003

knackered 

Exhausted. now can be used entirely freely of any sexual connection.

I'm absolutley knackered, i've been working all day.

knackered by zimo August 15, 2004

Knackered 

tired or sleepy; exhausted

I'm feeling a bit knackered today.

Knackered by Sean D. August 3, 2006

knackered 

spent, near death.
Origin from 'knacker's yard' where one took old horses to become pots of glue.

On my feet all day and I'm knackered.

knackered by Quas1 October 26, 2008

Knackered 

Very tired

I was very Knackered after have sex with my wife's, sisters dog.

Knackered by @snakie4dead on twitch, twitte January 20, 2022

Knackered 

Very Tired

After shagging that bird, I was extremely knackerd

Knackered by Boom January 13, 2003

knackered 

to run out of energy during an endurance sporting event; to "bonk".

The rider forgot to eat before the last climb of the day and he was completely knackered half way up.

knackered by Entheo June 28, 2009