Throwing something in the garbage, or at least out sight, in such a way that is no longer visible nor your concern for the foreseeable future. Originally used by early Intel engineers who would literally throw obsolete or malfunctioning equipment off a waterfall near their laboratory.
Engineer 1: This CPU doesn't work!

Engineer 2: That's the old version. Waterfall that piece of crap.

Engineer 1: Off the cliff into the water it goes!

Engineer 2: Where won't have to ever see it again!
by General Deviance June 11, 2019
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When a female sees a guy they think is very attractive, their vaginas get so wet it drips down intensely like a waterfall.
"Omg, its Joe he so fucking sexy!" Meanwhile in the vaginal area *WATERFALLSSSSS*
by JoeFatha September 12, 2012
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To drink from someone else's bottle/cup by letting the liquid "waterfall" into your mouth. Waterfalling allows for you to drink without letting your lips touch the bottle/cup.
Dude, let me waterfall some of your Dr. Pepper.
by IggyMidomi May 12, 2014
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to make a girl cum...made famous by Ludadris...
by 4 June 15, 2004
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When a man comes while a woman is sucking his dick and it seeps out of her mouth down on his cock.
I felt kind of nasty last night so I let my woman give me a waterfall. Had to take a shower after but it was worth it.
What most certainly happened to Cleavon Little at one point during the night with Madeline Kahn in Blazing Saddles.
by dude30977 March 3, 2014
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When a female is giving a blow job to a male and he climaxes all over her face, he then pushes her down the steps.
Dispatcher: "911, what is your emergency?"
Male: "My girlfirned needs and ambulance, I just gave her a waterfall."
by keyes August 28, 2006
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When youre doming a chick who is so bad until she suddenly releases liquids from every whole in her body(nostril, ear, mouth, butthole, vag).
I had one heck of a time with my girl until she had to waterfall me.
by ethanjakelover October 31, 2019
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