Definition: "Killin' it" is a slang term used to describe someone who is doing exceptionally well or performing at a high level in a particular activity or task.
Use case: You can use this slang when you want to compliment someone on their outstanding performance or achievements. For example, if your friend just gave a great presentation at work, you can say "Wow, you were really killin' it up there!" or if your favorite sports team is dominating their opponent, you can say "They are absolutely killin' it on the field today!"
• Our marketing campaign is killin' it this quarter, we've seen a 25% increase in sales.
• Your outfit is killin' it today, you look amazing.
• The new CEO is really killin' it, she's turned the company around in just six months.
• The chef at this restaurant is killin' it with their new menu, everything is delicious.
• My workout routine is really killin' it lately, I've never felt stronger.
• I'm killin' it at this video game, I just beat my high score.