To ruin or totally fail at an action or procedure which requires the lowest ammount of human intelligence
"you realy knibbsed that up!" or "you are such a knibbs!"
by official word guy 2k14 December 4, 2014
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Sexy man who may be slightly overweight, but still irresistible
Man, he is such a knibbs! I just want him in me!
by jdhughu December 2, 2017
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Meagh, I Knibbed him. Only 8 he was.
by spunko November 28, 2003
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To have loads of dandruff it looks likes it is snowing
there is tonnes of knibbs out side
by loplewloplop October 11, 2015
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Where we celebrate the wonderful person named Holly also known as Knibbseh
Hey Chelsea don't forget today is International Knibbs Day
by Joeyjoker16 October 14, 2020
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The action of engaging in an affair with someone that is not your spouse, telling them your leaving said spouse and then ghosting the affair.
I got caught up in a knibbsing in my last relationship.

I know he is knibbsing me.

It would be a better world if people weren't knibbsing each other.
by The gifted 1 May 31, 2020
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