Definitions by Kregg

tired-core 

being hella ultra sleepy

man dude i stayed up on the computer sending in things to urbandictionary.com and im so tired-core

tired-core by Kregg October 15, 2003

hot topic-core 

the art of selling out not exatly being an artist at hot topic but the general idea of making your merch cost so much more

or

to be used jokingly to some one to refer to them as a poser

GUY1: "man i just bought the newest greatest band shirt for only 20 bucks!"
GUY2: "man, you are so hot topic-core"

hot topic-core by Kregg October 15, 2003