(in scottish accent) "you may take my life, but you will never give my slaves freedom!"
LOL @ asheira.. but you don't want to be as 'successful' in battle as that guy, do you?

CD would shout their battlecries in a form of Khazalid, as with all dwarfs. They would rarely shout in reikspell (english).
Can't think of any decent ones at the moment though.
One direct one in Khazalid would be Uzkula Dawi, or 'death to dwarfs.'
Yo ho ho and a bottle of rum kill them sucker then were done!!!
Yipee-ki-yae mother truckers!
Better dead than without a beard
"I shall PWN YOU!", followed by the aside of: "If you don't die, then literally!"
"Kiiiiillllllrooooy Sssstttooonnnekiiinnnn" (aka:
Kilroy Stonekin)
(some of the joys of guild wars)

beastmaster warcry "UNLEASH THE KITTENS!!!!.......MEOW!!"
release the cuteness

"For a better world!!! ... for us"
how abbout a good old fashioned
AAAAAAAAAAAAAAAAAAAAAARRRRRRRRRRRRRRRGGGGGGGGGGGGHHHHHHHHHHHH!!!!!!!!!!!!!!!!!!! !!!!!!!
or of course the good old one from the dawn of time
bugger it!
GRRRRRAAAAAAAAAGHHHHHHHHHHHHHH *cough* ARGHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH *stops for breath* ARRRRRGHGARRRRGHHHHHHHHHH
Born in flames, kill with fire!
"Kill um all and let Hashut sort them out".
We'll fight to the last Hobgoblin!
we gonna fight...
for our right....
to ENSLAVE!!!