The giver is then "Banging the Chocolate Cheese."
See also: bumming, sodomy, anal sex and fudge packer.
Girl: Aw! I've run out of bog roll and have just had a massive cack
Boy: That's OK. I'm a chocolate cheese banger!
Gay Boy 1: Hey Boris! Don't wipe your arse, I'm up for some CCBing!
Gay Boy 2: OK! I'll poo in the bed and put it in your bum so I can CCB you too!
Innocent Bystander: AW FUCK NO! YOU SICK BASTARDS!!!