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1. When someone does something really well.
2. When someone ruins a joke or a moment.
1. Man, Chris Brown KILLED the Chicken Noodle Soup!
2. Someone tells a joke, and one person laughs longer and louder than everybody else, they killed it.
by aishabe November 20, 2006
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Reference to Axe's double pits to chesty

To "kill" something you need to do it very well. After accomplishing something with great efficiency you are recommended to pump your fist to show people around you that you "killed it" also to signal people from a far distance that you killed it.
After getting test back with A+ "Killed it" *pumps fist*
by austins c00l August 19, 2009
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tr. v. (figurative) also kill it, killin’ it
used when describing in brief an excellent or beyond satisfactory performance by any individual or team, used commonly to describe sports contests, musical performances, videoΒ game tourneys,Β etc
β€œyo were you at the guitar hero tournament”
β€œyeah bro, ricky killed it ”
by shapesville January 05, 2012
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When someone takes something too far and just ruins the moment completely. We've all done it before, and there's always some jackass who yells out "KILLED IT" as soon as it happens.
Pete:I thought all the dinosaurs were extinct, but I'm looking right at a Fagodactyl.
Ryan:Yeah, well some homosaurus is staring me down right now.
Ryan:Killed it.
by Weird ry January 03, 2006
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Succeed extremely well at a task. Similar to "nailed it."
Wow, did you see that ski jump? She really killed it!
by Vicoletta January 25, 2018
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