Top definition
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!
Joe: YO SON, I WAS KILLIN IT!
B: OHHH SHNAP! THATS WHATS UP MY NINJA!
by FPSTOM January 19, 2010
Jul 28 Word of the Day
"I had a lot of cartoon characters that used to get me sexually aroused as a kid... The female reindeer from the Rudolph claymation series, when I was in preschool, I used to be bricked up watching that shit." -Jack Harlow
by real_philly February 11, 2020
3
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
"john was killin it all day long in the competition"
2. to do your own thing, in a sorta funny way
by alex July 16, 2004