A Beer Bong is a Funnel that is connected to a tube. Pour Beer into the Funnel. Once the Beer settles into the Funnel and Tube and most of the foam has evaporated, put the Tube into your mouth and gavity will force the beer into your mouth. Open your throat of just chug fast to empty the Funnel and Tube (Beer Bong) Head Rush Beer Bongs are the most popular Beer Bongs in the world. Head Rush Products has several different types of Beer Bongs including the Bongzilla, which is a Pole mounted, 6 person Beer Bong.