snake it down one's leg
When a man wearing shorts urinates by sliding (or snaking) his penis down one leg of the shorts rather than pulling them down or unzipping the fly.
Man, I was just too damn lazy, so I snaked it down my leg in the bathroom.
There aren't many contexts in which snake it down one's leg can be used.
There aren't many contexts in which snake it down one's leg can be used.