WTM Addict Share definition Flag Some who uses Windows Task Manager so much that it's ridiculous. An addict of Windows Task Manager. Dude, he's such a WTM addict, all he had to do was press "esc." WTM Addict by LunaticCHRIZ September 5, 2010 0 0 Get merch Get the WTM Addict mug. Buy Now — $32.95 See more merch