Stream Time Extent Share definition Flag The act of prolonging the time it takes to empty your bladder through muscle contraction. Usually because one wants to seem to be a "long pisser," as it is more manly. Adam - "Dude, what's taking so long?"Tyler - "I've got my Stream Time Extent on, man." Stream Time Extent by Gruder July 31, 2010 Get the Stream Time Extent mug.