drowning the snake
When one masturbates under water
"Fred got kicked out of the local swim club for drowning the snake during adult swim."
Drown the Snake
When your poop resembles a long snake and then you proceed to drown it with diarrhea.
Yo babe, gimme a sec I gotta go drown the snake.
drown the chocolate snake
Defecating, especially in reference to a long, unbroken segment of feces.
Oof, I have to drown the chocolate snake, boys. I'll be back in about ten minutes.