1. To mess a task up. To completely and utterly ruin whatever you were doing.
2. To have chosen the wrong decision. Taken the wrong path.
3. A censored version of 'Fucked Up'

Most commonly used by a Youtuber by the name of 'Gattor Martin'
"You just clucked up!" "Stop clucking up!"
"Do you not see the red flags? You just clucked yo self up."
"What the cluck are you talking about?"
by Dr. Sandra Lee May 16, 2018
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A word used to insult someone when there being non understanding or slow to comprehend
We said this five times already stop being such a cluck.
by Hendo, Tricky, G April 4, 2020
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Being so desperate for something, you are basically going cold turkey.
Once again, Andrew found himself clucking for a sexual encounter but alas no joy :(
by The wordsmith May 24, 2005
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The act of choking on a large penis while performing oral sex.
I have an 11 inch cock. Every person who blows me ends up clucking.
by Cluckster February 5, 2011
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Dennis Davis clucked his clock for a gram.
by zulu June 16, 2003
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Somebody who can't do anything right, someone with "Two left feet."
Also known as the biggest loser ever.
Dude, look at how he wears that shirt. It's backwards, what a cluck!"
by Dr. SmartassCrazySelf April 11, 2010
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Noun: A killed conversation from saying, "hahhhaa" or "yahhh" or "lalallala" etc.
Verb: To have killed a conversation.
Cluck is short for conversation killed, the CK becoming cluck.
Tom: "hahahhahahha"
Lisa: "this is such a cluck"

OR

Tom: "hahahhahahha"
Lisa: "way 2 cluck"
by conversationmaster February 9, 2011
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