A drinking problem is an issue related to the excessive consumption of alcohol. HIC stands for 'Harmful Use of Alcohol' and is a term used to describe the negative consequences of drinking too much. SPILLAGE is the act of spilling or leaking liquid, which can be a result of drinking too much. DTS stands for 'Delirium Tremens Syndrome, ' which is a severe form of alcohol withdrawal that can occur when someone stops drinking after a long period of heavy drinking.