Chinese Waterfall

When you tape you peehole shut and jerk off so the cum builds pressure in your dick and it all explodes out like a waterfall.

The act of taking the filter out of a cigarette butt, heating it up, sliding up the plastic sleeve of a pack of cigarettes, sticking it through the plastic and light the other end of the paper on fire. The rule of gravity doesn't apply and the smoke from the paper burning will fall down like a waterfall.