look up any word, like swag:
 
1.
Gratz spelled backwards. Typically used in MMOs
<SoandSo> has earned the achievement Grand Master in Turd Burgling
<You> Ztarg
<SoandSo> xxanht
by Sixtwosix December 26, 2008
2 3
 
2.
When the word gratz become too cliche and people grow tired of it, especially in MMORPG's when feats/achievements are announced, you can say "ztarg" in its place.
Person1: Ding!/I just gained a new level!

Person2: Gratz!

Person3: Gratz!

Original Person1: Ztarg!
by Qman (Trodgorr) July 25, 2009
2 4