These orks have over-developed lungs and super-strong vocal cords so that they can [[Derp|yell really loud.]] Yes, you heard me right. They yell across Gargant-tops and over battlefield din to act as a telecommunications array. <strike>See, not all things that were retconned were too good to last.</strike> <span style='color:
green;font-size:200%'>'''SHUDDUP STOOPID HUMIE, WHUT DO YOU KNOW?!?!?! SHOUTAS IZ DA BEST!!!!!!!'''</span>
purplen;font-size:300%'>'''YOU'Z CALL DAT SHOUTIN'? YOU'Z AIN'T A REEL SHOUTA, YA GIT!'''
green;font-size:100%'>'''See, iffin' you'z had sum of dat purpley paint, dis wouldn' be a problem now, would it?'''</span>