noun. A catastrophic defect that renders a product useless. Most common usage occurs in the software industry as a reference to critical defects.
When the customers clicked on the button, a defuck crashed the web site.
by ktooth April 23, 2013
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Also "De-Fucked"
The antonym of fuck, used as in "getting fucked up"

To reverse the procedure of getting fucked up.
To restore to good health.
To rehabilitate.
To repair to a usable or presentable condition.
That dude is in the hospital getting defucked up after getting the shit beat out him.

This chick was totally stoned so she had to go get defucked up.

Wow, those geeks totally defucked that computer that I thought was a complete piece of shit.
by Okix25 December 16, 2010
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To rectify/resolve/repair a normally unfixable thing or situation.
After I defucked the printer it was working perfectly.
I successfully defucked the car by replacing the engine. (Vella Jurd, 2014)
by ElleJudd November 7, 2014
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(verb) 1. wishing not to have hooked up with someone.
Last night I hooked up with Guillaume. It was a huge mistake, I want to defuck it.
by theoxbridgegypsie August 20, 2011
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This term, coined by the Assistant manager of Mooradian Contracting means to rectify or fix a problem situation.
by pokes May 9, 2005
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The act of defecating (taking a plop, dropping a stool, leaving a shit, having a poo, etc.) while engaged in sexual intercourse.
{Harold} Ahhh, harder, harder!!!
{Horhay} Jesus Christ, I'm about to defuckate!
{Harold} Goddammit! Now you have to clean it up! Fuck this noise, I'm outta here!!!
by Telephony May 15, 2020
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The act of being maternally deconsumed.
"Whats your date of defuck?"
"Oh I was defucked on the 30th of May 1991."
Defucking? Oh you mean date of birth?
by JTerlouw April 2, 2020
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