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The bad ass final character in Quake III Arena.
Xaero is a pain in the ass to fight on nightmare when he as a BFG10K.
by Caliban XVII February 05, 2009
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2
When you a pull a Xaero that means you hard threw your competitive game and only got 1 ultimate per round and got 0 kills in the video game.
"o SHIT I just pulled a xaero and we lost the video game"
by YTdank July 21, 2019
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