Definitions by PresidentBOB

Raptor Shreik 

A type of scream used in metal - often high-pitched, getting higher as the scream goes on.

Not to be confused with pig squeals or similar poser-band screams.

Lamb of God has some of the best raptor shreiks in the world.

Raptor Shreik by PresidentBOB November 15, 2007

pig squeals 

A style of screaming used in metal music - generally comparable to a pig squealing. other similar forms of screaming include Raptor Shrieks and low pitched growls

The singer from Job For A Cowboy uses so many pig squeals!

pig squeals by PresidentBOB November 15, 2007