Smegadon 

Smegadon is the build up of smegma on a mans penis in jurassic proportions.

Girl: Tonight is your luck night big boy.
Boy: (pulls down pants)
Girl: I no longer wish to give you a blow job as it seems you have a large Smegadon residing on the end of your penis.

Smegadon by crabstein December 17, 2008

Smegladon 

An abnormally large uncircumcised penis, usually containing dick cheese.

That man Curtis has quite the smegladon.

Smegladon by Gman15561 March 27, 2019

smegmadon

The stinkiest of all dinosaurs, having an over-sized smegma gland.

That smegmadon fossil stinks like shit!

smegmadon by The michael of all michaels May 21, 2007

Smegladon 

A man who never cleans his foreskin allowing an enormous amount of dick cheese (smegma) to build up giving of a putrid smell

Yo I was about to suck off Dave but his dick stank like shit, man is a complete smegladon

Smegladon by Smegmalord69 August 16, 2020

Samegadon 

this is a large, very old wooden dinasour, found in middle egypt.

Some very ol' man found a samegadon is his pants while climbing the toilet seat in egypt

Samegadon by SAmegaon man man man man May 4, 2005

Smegaroni and Cheese 

When ejaculate gets stuck under the foreskin.

You see that? That’s Smegaroni and Cheese!

Smegaroni and Cheese by smashcentury July 27, 2022

Smegmadonis 

A roommate who frequently masturbates in the bathroom you are all sharing.

Person 1: "Don't go in the bathroom for a little bit, Smegmadonis just got done taking a 45 minute "shower""

Person 2: This place is a prison

Smegmadonis by FeetFinderConnoisseur January 16, 2024