When you begin to shit in a toilet, and the water splashes up and touches your butthole.
I jizzed when I took a shit and got a Poseidon's kiss.
by Dickbutt March 10, 2012
2 more definitions
When water splashes up from the toilet onto your butt from your poop dropping into the water.
Upon defecating, Alex felt the cool wrath of Poseidon's Kiss as it grazed his buttocks.
by billypilgrim3000 May 08, 2012
The feces stain on the side of a toilet that does not flush out.
Every toilet in the men's bathroom had been touched with Poseidon's Kiss when I had to clean them at the end of the night.
by JohnnyColt420 February 08, 2015