One male with foreskin places his foreskin over the tip of another males weiner, making a sort of bridge, and they then proceed to jerk each other off.
When you suck on a guy's balls while seated or laying in between his legs. From his point of view, he can see just the top of your head and his boner sticking up, making it look like you're a snorkeler.
I passed out in my chair and when I woke up, Jenn was lap snorkeling me.
When an uncircumcised homo pulls his extra foreskin over the cock of another homo and proceeds to jerk him off while ejaculating and spraying duster onto both penis heads to intensify the orgasm.
Brian and Mike enjoyed an intense session of frosty snoodling on Matt's desk. Brian's huge nerd cock consumed Mike's tiny penis with a wisp of frosty snoodling.