One of the many forms of terrorism (in the form of torture) used by the US military in the "service" of putting an end to terrorism. Waterboarding (called "water torture" in the 16th century and used to test the witchiness of witches) involves holding a person down, covering their face with fabric, then pouring water on the fabric. The wet fabric makes it impossible to breath and the person feel as if they are about to drown, thus freaking them out to the extent that they will do just about anything to avoid more torture.
The CIA and US military use waterboarding to promote democracy worldwide.
by spenceronehalf December 28, 2005
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When you ejaculate on a person's face, and the cum-shot ends up going up their nostrils, making it temporarily difficult for him or her to breathe through their nose. The reference is to the torture technique in which a victim is placed on a downwards sloping board, and water is poured into his or her's nostrils, simulating the sensation of drowning.
"Man, I just wanted to cum on her face, but I ended up waterboarding her instead."

"You can cum on my face, but don't waterboard me."
by G8tto Fabul0so March 25, 2010
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A form of torture which simulates drowning by placing a sheet of cloth over one's face and pouring water over it. The wet cloth makes is impossible to breathe through. This tactic is used by the U.S. interrogators and others when dealing with suspected terrorists and other detainees.
The Marine was left with no choice but to induce waterboarding when interrogating his detainee.
by GuitarkidUSCG June 4, 2007
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When a girl sits on a guy's face and smothers him in her arousal to the point of him drowning, her juices flowing into his mouth and nasal passages, emulating the process of waterboarding.
Her juices dripped into his waiting mouth as she positioned her sopping cunt over his face. He groaned in agonizing satisfaction as she waterboarded him in her love.

Guy 1: So what did you do last night, bro ?

Guy 2: Took a girl home and did some waterboarding. My brain cells are still recovering from the oxygen deficiency.
by Squidslimer December 11, 2016
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When a man is about to ejaculate and right before he does he closes the nostrils of the girl, before blowing his load deep in the back of her throat, giving the sensation of drowning.
Damn! Becky broke up with David after he was waterboarding her last night man!
by bigtimetimmY March 25, 2018
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When you're on the bottom in a 69 position with your woman and she pees on you.......filling up you entire nasal sinuses.
Dude, my girl came so hard last night that she waterboarded me. I felt like Khalid Sheikh Mohammed.
by Lordosis July 24, 2012
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To waterboard a guy, several dudes hold another guy upside-down on an incline board and place a towel over his face, and then they throw water on his face, making him unable to breathe and he thinks he's going to die.
A bunch of my friends gave me a waterboard party today in the cadet showers -- they gave me a 300mg Viagra, held me down, covered my face with a shower towel, and jacked off on it until I had a several cumgasms myself because I thought I was going to die! I felt like I was drowning in my own cum!
by USAF Cadet November 8, 2020
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