spherplunk 

To fuck a woman anally & pull out ejaculating over her ass while your massaging her anus with your thumb pushing your cum into her as she plays with her clit.

Hey John, said Jane would you spherplunk me tonight.

I'm the man when it comes to spherplunk

spherplunk by MsBell2022 February 1, 2022

Skerplunking 

To rummage or search for something important

I was skerplunking for pork rinds.

Skerplunking by M.Wood May 30, 2008

Sperlunking 

It's called spelunking you dip shit.

When you add words to urban dictionary like sperlunking, you should make sure you got it spelled correctly moron.

Sperlunking by RV2PHX August 1, 2008

Skerplunking 

To fornicate repeatedly until unconcious.

Shall we go back to my place for some skerplunking.

Skerplunking by B_man March 19, 2003

sperplunking 

Main Entry: sperplunking
Pronunciation: / ˈspərpləŋkiŋ /
Function: adverb
Etymology: Latin spaplunkis, from Greek
Date: 2007

1: to ejaculate until dropping abruptly A: plonking
2: to lose consciousness due to excessive masturbation

Spencer solved his chronic cases of insomnia and blue-balls with sperplunking.

sperplunking by shieh August 7, 2008

spherplunken 

A sexual act in which a man does a woman from behind and treats her ass roughly (by means of smacking, grabbing, etc...) until it turns a pinkish color. The act is finished by pulling out and cumming on her ass.

I love girls with bedonkadonk, they're the best for spherplunken.

spherplunken by fugaho June 11, 2009

sperlunking 

The act of exploring a cave, or caves for entertainment. Often referred to as "Cave Diving"

I am going sperlunking next week in some remote areas.

sperlunking by Philip Thrasher August 27, 2006