A man named Greg, is visiting his friend Jim's house Greg started sorting out Jim's stuff and putting them into an order. Jim saw this and ran over to him yelling, ""What the hell are you doing?"" Greg looked at Jim and told him that he was rearranging everything so it was neater. ""What are you OCD?"" Yelled Jim. Greg replied, ""I much prefer the term CDO, as it is in alphabetical order,""