derived from the name of former NBA Basketball player Reuben Boumtje-Boumtje, the word Boumtje means any form of mist or fog. Starting with the root word SERRIA MIST you get the word Reuben SERRIA the baseball player. Also from mist you get fog or mist which Boumtje means. Then From REUBEN serria you get REUBEN Boumtje-Boumtje. Therefore Boumtje means fog.
"Yo man the Boumtje is taking over the car window, put on the deboumtjefier."
"Why did you leave the hot water running in the bathroom? its full of Boumtje now!"
"That Boumtje is thick its slowly taking over all of my visibility of the road."