piymxcore 

Penis In Your Mouth Core

Also known as someone who is a dick, or just loves the cock.

That guy is so piymXcore, if you look it up in the dictionary, you will see him there.

piymxcore by Three Evils January 30, 2005

piymxcore 

penis in your mouth coremotherfucker

Story of the Year is so fucking piymxcore

piymxcore by The Python January 28, 2005

pimpcore 

An alternate term for Emo. Thus adding the effect of "core" on to it for a better, less "emo" sound of name.

Kid 1: Hahaha. You are Emo!
Kid 2: No, I'm not I'm pimpcore (pXe)

Kid 1: That's just another word for emo!
Kid 2: Yeah I know......

pimpcore by Max February 25, 2005