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The definition of Bad Ass
Zeratul is one bad ass mother fucker
by Derka_07 December 05, 2010
1. Hero from Starcraft.

2. User on TAO.

3. best thing to ever happen on TAO.
1. play Starcraft and find out

2. cannot place in example on terms of "no advertisement of websites"
by Zeratul June 06, 2005