A line, made up of vaginal or anal secretions, left on a penis, indicating the maximum depth that said penis was able to penetrate the orifice. Also known as a high tide mark.
Did you see that one scene with Tori Black taking Mandingo's bbc?! She left a mean high water mark on his junk. He was barely half way in her when he bottomed out.
by yoube6ibe9 February 19, 2018
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