[Slang] THAT'S KILLER. - Learn How to Express High Praise in English
That's killer.
exceptionally good.
That's killer" is a high-praise slang indicating something is extremely impressive or excellent. The term is often used to describe outstanding performance or a great piece of work that stands out from the norm.
Example Sentences
Dude, that stunt was killer!
Describing a stunt as extremely impressive.
Your new sports car is absolutely killer!
Admiring the coolness of a friend's new sports car.
That guitar solo last night at the concert was killer, everyone was mesmerized.
Praising an amazing guitar solo that captivated the audience.