Top Definition
Acronym meaning "Win at all cost(s)". Can be used to describe almost anything seen as hyper-competitive.
*Professional tennis player serves full speed against 10 year old*
You: That guy has such a WAAC attitude
作者 MarkoftheRings 2012年7月17日
6 Words related to WAAC
We Are All Crazy
- This is a waac server.
* Yea, they are all crazy indeed !
作者 CRKD-Omega 2004年5月26日



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