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1 definition by Jacl3

 
1.
The word "grats" or gratz is a truncated form of the word congratulations, or congratz. The word is used by people in online games (mainly mmorpg’s and mostly it is seen in PristonTale) its use is to congratulate someone on accomplishing something. I.e. moving up a level.
(Gold level up! appears above Jacl3's head)
Jacl3: w00t level 34!
l337357: grats man
by Jacl3 October 03, 2004