A random exclamation that a select few players from online text based games use to indicate boredom. The amount of A's in the word indicate the level of boredness.
An online forum post:

Wish2Die: GWAAAAAA, I want to do something!
by Wish2Die November 16, 2009
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GWAAAAAAAAAAAAAAA SO BORED!!!
Savage: GWAAAAAAAAAAAAAAAAAAA Wish2Die is boring me
by SavageAWESOMEFM! November 17, 2009
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