When your ball-sack touches the toilet bowl water.
Dude I just took a massive shit, and I got the Cerberus Lick, real bad. Now my balls are itchy.
Not to be confused by a witches kiss, a serpent sting is when the penis tip touches the toilet bowl water.
"Man, Don't you hate it when the toilet is too small and you get serpent sting"
âDude, I just got serpent sting, Iâm going to scrub my penis in the sinkâ
When she keeps sucking after you nutted.
Dude, she lichen drained me so hard I felt like my soul left my body.