What is Poseidon's kiss?

The act of toilet water splashing up onto exposed asscheeks as a result of a large amount of feces dropping into the toilet.

Erik: Dude, looks like you got some swamp ass there!
Roger: Nah man, just Poseidon's Kiss earlier this morning.

Poseidon's kiss - video

When the shit hit the water and the water hits your coochie right on the lips.

Yeah I was just taking a shit and I got surprised by a Poseidon’s kiss

When water splashes up from the toilet onto your butt from your poop dropping . It's so gross but so relatable!

A: Dude I just went to the bathroom and experienced Poseidon's Kiss.
B: So relatable!

When you take a shit, and the water touches your ass.

My shit was so huge, it gave me the fattest Poseidon's kiss yesterday.

when water splashes up from the toilet onto your butt from the poop dropping into the water

This morning when I woke up and went to the bathroom, I totally got a poseidon kiss from that turd I dropped.

When you do a shit and the plop sends a small dollop of cold water up that kisses your anus.

Friend: You ok in there? I heard a little yelp.

Me: Yeah, just a little Poseidons Kiss

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.

When you go to the bathroom and the water splashes your rump after taking a dump.

Hey... did you have a Poseidon's kiss when you were in the washroom?

When you drop that dark brown nut loaf and the toilet water splashes up, Cooling off that burning ring of yours.

That Poseidon's kiss really soothed the ache from last nights curry.

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.