Very Tired
After shagging that bird, I was extremely knackerd
by Boom January 13, 2003

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Top Definition
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.
by Dan Fox June 12, 2003

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Exhausted. now can be used entirely freely of any sexual connection.
I'm absolutley knackered, i've been working all day.
by zimo August 15, 2004

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tired or sleepy; exhausted
I'm feeling a bit knackered today.
by Sean D. August 03, 2006

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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.
by Quas1 September 11, 2008

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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.
by Entheo June 28, 2009

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When you have recently blown your load and are very down and tired.
"Hey Brad you want a blow Job" - Molly
"Im still knackered from when we had sex 30 mins ago" - Brad
by MassiveLad July 18, 2016

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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