Celebratory sex, similar to giving a "High 5," a low one is meant to congratulate someone for an achievment with sexual favors.
After getting a big raise at work, Jeremy's wife suggested celebrating with a Low One
by Sheepdog_18 May 22, 2009
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An act which fuses the raw power of the pelvic thrust with universal symbolism of the high five. In effect, two males, usually Bros will pelvic thrust at one another, making their shafts collide in a meaty power-clap. It should be noted that as balls are not touching, the Low One is acceptably straight.
Hey bro, nice job! Give me a Low One!
by greekjesus September 6, 2010
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When two people, both equipped with a penis, smash their genitals together in a short clap, much like Docking
guy A: "I sure would like to give that man a Half-way Low One-finger High-five, if you know what i mean..."

guy B: "I have no idea what youre talking about..."
by OneViolence December 30, 2016
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