when those little peices of poop get stuck in the hair on your taint.
damn, can you help me with all these cockberries?
by kara_schratzke_09 July 15, 2009
Similar to dingleberry ... when ones penis swells and is the color of a blueberry! Most commonly caused by impact of fist to penis.
Oh my! My penis has turned cockberry!
by Bob the Builder#2 August 30, 2005