Shelcking 

The act of letting ones penis grow grime, smegma, and other organic substances around itself to act as a protective shell known as a Shelck.

I heard Tom has been Shelcking for two months, I bet his Shelck is pretty strong now.

Shelcking by ShudMeister March 30, 2024

shelcking 

The act of letting one's penis develop cheese, grime, semen, and other substances until they harden, forming a protective shell, like a turtle's.

I've been shelcking for a week how bout you

shelcking by pengin9553 May 7, 2024

shelfing it 

To insert an ecstacy pill into your anus.

'Are you shelfing it tonight?', or 'Have you ever shelfed it?'

shelfing it by Alex Lumb April 23, 2008

shlicking 

The act of a female Masturbating.

"I walked in on Jamie and she was Shlicking!"

"No way, man! She was rubbing it?!"

"Yeah! Oh my god!"

shlicking by Nessabro December 31, 2013

Shmacking up 

when someone engages in informal sexual activity, including hooking up and/or oral

Person A: Are you going to that girl's house tonight?
Person B: Yeah bro.
Person A: You gonna Netflix and Chill?
Person B: No bro, we gonna go straight to shmacking up.

Shmacking up by BHPH November 9, 2018

Shnacking

Eating while on the shitter.

I just caught Samantha shnacking, she has really given up on life.

Shnacking by TheShaner August 29, 2016

shucking and jiving 

The science of appearing busy but actually doing nothing.

Dude, quit shucking and jiving and get back to work.

shucking and jiving by Mack C February 23, 2007