The act of leaning forward whilst taking a shit that comes out in ball-shaped projectiles which tend to splash toilet water forcefully upward at one's scrotum and into one's anus; leaning forward to avoid such a splash.
friend: "Why the hell is there toilet water all over the floor?"

man: "Oh... had to do a toilet lean. My taint was getting soaked."
by 1freeradical November 18, 2011
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