7
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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8
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 13, 2010
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9
An exercise conducted in the way of a normal pushup, but utilizing only the penis instead of both arms.
I have a very large penis... it is because of all the cockups I do.

I'd like to do cockups on that girl. Damnnn.

As a 60 year old man, the doctor suggested I use Viagra. Being a naturalist, I chose to do cockups instead.
by Nave Nedrob March 08, 2009
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10
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 09, 2008
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11
A complete push up except without using one's hands, and instead using one's cock.
That fools doing cock-ups, is that even possible?
by Toxic Rage November 19, 2004
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12
When you're getting a slight boner in public, and you go into the bathroom and flip it north so it is held up by your pants. Usually is held up by tightening your belt.
"Dude, I had the worst cock up today".
by buttholebabbbyyyyyyy February 18, 2015
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13
(1) (Noun) The act of not fully inserting one's penis in an other's vagina or anus until about to cum and then just before one is going to cum, the full erection is thrust into the vagina or anus. (2) (Verb) To not fully insert one's penis in an other's vagina or anus until about to cum and then just before going to cum, the full erection is thrust into the vagina or anus.
The girl thought he was fully inside her while having sex until he gave her a cock up.
by Dieselboi February 02, 2010
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