I could spurt my many 'mini me's in liquid form merrily to this on a sheet, carpet or rug as any wanker might while that slight fear someone will knock on my door lingers in the mind behind the drawn blind.
Have not tried to track down a smaller bulb that fits the tube yet, but will be looking into that - 2-3 oz would be a bit more in line with what you want to consume in a single session.