When someone asks for a drink of something you already put your lips on, the pour it in to their mouth, which looks like a waterfall.

to drink from somebody else's soda or pop by holding the can high, over your mouth and slanting it so that the drink falls right into your mouth without having you touch the can with your mouth; which would be unhygenic

When a woman squats over the mans face before squirting and lets her holy refreshing water run into his mouth. Have you tasted the spring of life yet?

Tracing its origins to high school kids in Las Vegas, Nevada, the act of drinking from a friend's soda or water without your lips actually touching the bottle. Share your drink, not your germs.

The visual effect created when a person urinates on your forehead which resembles standing behind a waterfall.

The best song "TLC" ever made!

This is when a group of people begin drinking their alcoholic beverage of choice, and the 2nd person in line doesn't stop drinking until the first person stops and the 3rd doesn't stop until the 2nd stops etc.