Top Definition
Used to describe a man who oozes self confidence, rarely ever shows weakness and gets all the ladies.
Person 1: Did you see Arnold Schwarzenegger in Pumping Iron?

Person 2: Yeah, he was All Cock.
by William J J T October 29, 2010
The point at which a fuckup becomes an all encompassing failure

Derives from the words All & cock (short for cockup)
Fuck Me Steve, I don't think we can dig ourselves out of this Allcock - shit!!!
by B Bop a Looba January 19, 2008

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