Noun - a clumsy delinquent with no sense of presence outside of their own consciousness. In summary, their brain is so mushed and senile, that they spend their days eating green crayons under the impression that it resembles the taste of an apple.
Its origin derived from the early 14th Century, when Peter of Siena stubbed his toe and used the word in aggression to the rock.
The word cockgoggle can be used in many ways, when someone wishes to express general displeasure they would use the cockgoggles form of the word.
Cockgoggles is also the more preferred word to use in place of cockgoggle as an insult, much in the same way you would use the words goggles or pants as opposed to goggle or pant, which should only be used in cases such as referring to a pant leg or a goggle lens.
Person 1: Dude, they decided to replace Cortana with Guilty Spark in Halo 3.
Person 2: Cockgoggles! That's going to ruin the game!