Five kills in a row without dying, first said by gamers on the Halo 2 online community during a ranked SWAT match.
As said by an overly-hyper Halo 2 gamer: "Oh, shit! KILLIN' SPUR!!"
continuously annoying a person; it can also mean continuously "being awesome", depending on context and inflection
Hey John.... JOOHN..... JJJOOOOOOOHHHHHNNNNNN..... JOOOOOOOOOOOOOOOOOOOOOHHHHHHHHHHHHHNNNNNNNNNNNNNNNNNN
Braaaahhhhhhhhh, you steady killin' me
OR
That was legit; you steady killin' it
Means to be having a great time, to be chilling out
Chillin for a killin tonight
A series of actions that puts the world's hardest workers to shame, it would look similar to Rocky Balboa as the wolf of wall street.
Luke: did you hear Dan worked 80hrs this week?
Gary: that's it?
Luke: HA! The guy also pulled off a triathalon, marathon and an Inca trail marathon this week.
Gary: jeez... that guys killin' it
The highest possible level of satisfaction with life only to be achieved by young white males who often go to parties, have plenty of money, and slay poon on the reg. You only know you're 'Killin' it' when you're plastered, throwin up the Shaka (surfers' hand gesture), and yelling "I'M KILLINNNN ITTTTT"
Friend: "How yah doin pal?"
Matt: "Don't worry about me man, (shotguns a brew) I'M FUCKIN' KILLINNNN ITTTTT!"
Friend to other Friend: "Hey don't bother Matt, he's Killin' it right now.