Definitions by Sampson Antfarm

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