Decantaminate Share definition Flag A verb meaning to clear one's work space of aluminum soda and/or beer cans. Friend: Jesus Christ, dude, you really need to decantaminate in here, you have empty cans stacked to the ceiling. Decantaminate by TheRealNicotine October 3, 2011 0 0 Get merch Get the Decantaminate mug. Buy Now — $32.95 See more merch