Poseidons kiss 

The act of taking a heavy shit and upon the load hitting the water it splashes up on to your arse

Christ that Poseidons kiss was cold after my morning shite

Poseidons kiss by Zack_0700 June 21, 2018

poseidons kiss 

Dropping a log on the toilet and the water splashes back up onto you

Uh oh, I just got a Poseidons kiss

poseidons kiss by Lifnfnfnfnfnsjahahhaga October 13, 2023

Posiedon's kiss 

When you're taking a fat shit and your mighty log plops in the water, and the water come up and gives your taint a little smooch.

Friend 1: I was shittin' and out of nowhere I got a little posiedon's kiss.

Friend 2: yur gooch done got a smooch

Posiedon's kiss by mighty meat wad September 19, 2018