What does boy cock girl cock eieio mean?

boy cock girl cock eieio meaning in Urban Dictionary

A card game which a typical deck of 52 cards is dropped from neck height in the middle two people. Both players after that scramble when it comes to Kings (the "boy cocks") as well as the Queens (the "girl cocks). Scratching, biting, striking, and trickery tend to be allowed, even promoted. The ball player who ends up with the most of this 8 feasible wins that round.