(v) to have everything going your way in a game; or somewhere like a game

People say it all the time in basketball, meaning that the guy is "killin'" the other team.
"you see that game last night?"
"yah, that kis was killin'"
by Brian October 14, 2004
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To do something with the best of your ability; to become a legend in the process or to achieve 1337 status whilst performing the said phrase.
B: Hey YO JOE!! What did you wind up doing last night ?

Joe: YO SON, I WAS KILLIN IT!

B: OHHH SHNAP! THATS WHATS UP MY NINJA!
by FPSTOM January 19, 2010
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did it very well, you were the best at it,did something extremly good
when I dance I be killin It, I was killin it when I was singin that song
you killed it homie
by Nikki Banks April 25, 2009
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1.to be doing something very good

"john was killin it all day long in the competition"

2. to do your own thing, in a sorta funny way
1. "john was killin it all day long in the competition"

2. "max is killin it in his overalls"
by alex July 16, 2004
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