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2.
A selection of penises, used as an expression of frustration
"Oh Bugger... Oh COCKNOBS!"
by Armos August 09, 2006
 
1.
Used notably by the fictional character Mark in the English television programme “Peep Show” as an expression of frustration or feelings akin to.
While attempting to hack into a friend's email, Mark loses his patients and blurts "cocknobs"
by Sethbot May 15, 2007