Here are some nice phrases for you to use while doing BG's to annoy the other faction!

Horde to alliance communication:

101 101 = Zug Zug

UO UO = HA HA

27 11 11 = mu ha ha

D F Z = L A G

U G U = L O L

As As As = Ha Ha Ha

aw = no

d e d = l o l

Making your own phrase using the below chart only works if you put a space between each letter.

Orcish: a b c d e f g h i j k l m n o p q r s t u v w x y z
Common: g g o l o a o o l n l n a o l n g n n l l l a n o g

(Alliance to Horde)

h i = y o

ss ee oo p = Me love u

D a p Ee bb = You Lose

b ppp = evil

zz fff = never

Fff d Ss pp = Very Mean

Ss B ppp = Me Evil

D a p aa B ppp = Youre Evil

D a p aa Ss pp = Youre Mean

Making your own phrase using the below chart only works if you put a space between each letter.
Common: a b c d e f g h i j k l m n o p q r s t u v w x y z
Orcish: o e o y y e o y o e o o o o y u e y y y y y y y o e