In the purely Jamaican dialect, the term, DWL, stands for "Dead Wid Laugh" roughly translated as "Dying with Laughter" or more approriately "Dying as a result of excessive laughing".
officer: you were driving recklessly. have you been drinking guy: no, officer, I was DWL
officer: oh, then I will give you a warning this time. that's not a behind the wheelactivity
"Dead Weight Loss," a term used by economists to refer to losses incurred as a result of taxation, subsidies or other distortions to markets that would otherwise clear or be closer to clearing.