Did this fighter somehow know that his night was done after getting knocked out cold from a kick to the dome? It sure looks like it, judging from his goodbye wave prior to hitting the mat. Check it out. 

And that's all the time he has tonight, folks!  

RELATED: The 50 Most Brutal Knockouts in MMA History (Video) 

RELATED: Twitching: 20 Hilariously Gruesome Sports Concussion Videos

[via YouTube]