1) Anything that refers to or involves 'fun' of the penis i.e. masturbation, sex or cramming your penis as quickly as possible into a small hole.

2) The act of stealing a male chicken and having 'fun' with it. This may include; taking it to a theme park, watching a movie, a round of tennis or golf, etc.
Dave loves a bit of cockfun
by Chickens February 18, 2005
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