The act of ejaculation into an unsuspecting persons underwear and leaving them to find the sneaky river when they put said underwear on.
While she was in the shower, i rubbed one out in her panties. When she put them on, she realized she received a sneaky river.
by bubba2 April 22, 2008
When you drag your penis back and forth over a sleeping women's mouth then ejecatulate from her mouth and over her tits without waking her. When she wakes up she will have a dried snail trail from her mouth to her tits.
by That guy fd April 5, 2017