core sample 

The act of sticking your finger up your own ass to gather a small amount of feces, then quickly administering it in an unsuspecting persons mouth. Think of a wet willy.

Last night I was fuckin' my bitch, then i gave her the ole' core sample. Bitch got pissed.

core sample by Sampson Antfarm April 24, 2008

Grey Matter Core Sample 

drilling a hole in someones skull and fucking their brains out.

well Lary i guess im going to have to give your wife a grey matter core sample for letting Fluffy crap on my lawn again!

Grey Matter Core Sample by wetspongecrosscountry October 20, 2010

DNA sample 

1. after intercourse when a male removes his condom and places the partially semen covered tip of his penis in the woman/women/mens (applies to homosexuals also) mouth.

1. "after i banged her last night, i gave her a DNA sample"

2. (as a joke) "i gave your mom a DNA sample last night"

DNA sample by kingoflb September 10, 2006

core sample 

When a guy pops his lover in the backdoor while the chili chute is full, then tries to take a piss afterwards forcing a thin rod of fecal matter to be ejected from the penis

Before Roy could go to the bathroom, Siegfried bent him over and took a core sample.

core sample by W.E. Coyote August 20, 2003

Core Sample 

When you go so deep during anal you pull out turdlett

Jersey girl and I went back door last night. Totally took a core sample.

Core Sample by Arbarth June 15, 2015

Joel sample 

Joel sample is one sexy mf

Who’s that?

Bruh wtf that’s joel sample are you dumb⁉️
Oh the one that steals everyone’s girl?
Yeah that’s him

Joel sample by Tim challen March 23, 2021

Egg Sample 

An egg sample is a sample of egg you may receive at a grocery store, or more likely, Costco.

Also a term used by Tony Biebls when they don't know how to spell example.

"Excuse me sir, would you like an Egg Sample?"

"No thank you, I'm a vegan."

Egg Sample by KiN.KiLLA. March 3, 2009