To make a complete mess of things. Derived from the traditional archery usage where, if the 'cock' feather was uppermost, the arrow would not fly straight.
That was a real cock up.
by Tawera March 29, 2008
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Another word for screw-up or screwup; to err.
Nothing goes right - it's just one cock-up after another!
by mrbadguy23 December 12, 2005
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to mess something up. used primarily in England

also see fuck up

past tense: cocked up
That flaming retard Bush sure cocked up that war!
by Kono January 23, 2004
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An exercise for the penis, very similar to curl ups for the abs
Damn! Billy just did 35 cock ups in a row, he's in great shape down there!
by IZ93 April 14, 2010
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(verb-past tense)To have messed up, had an accident, or created an otherwise unwanted incident causing problems for other people.
(in left4dead)
Louise: WHY DID YOU MOLOTOV ME WHEN WE COULD HAVE MELEE'ED THEM ALL AWAY!? FRANCIS YOU COCKED UP THE PLAN AGAIN!!
by Bill the veteran December 10, 2008
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is when your working on sumthing and you fuck it up
your working on a peice of work nd you fuck it up good,

"oh decent cock up"
or
"fuck i cocked that right up" etc
by wattsy.08 May 9, 2008
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The varying states of being under the influence of any type of Alcohol. Drunk, slightly buzzedor completely buzzed, totally wasted or just feeling good.

See examples to gather ideas regarding proper term usage.
Me:"Why you acting so silly, Silly?" You:" HA ha ha aha...I'm all cocked up."

"You should have seen Aunt Sally last night, she was all cocked up!"

"He's cocked up beyond belief. He pissed his pants."

TxtMSG:"Hey, I know it's 7am on Tuesday, but I'm half cocked and I figured you're drinking your morning beer about now. Can I stop by?" ..... "Of course! See you soon."

"Morning. So...I'm a little bit cocked up and I hate Mondays....you wanna call it a snow day with me? Maybe go to the pool?"
by saralli February 5, 2010
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