Definition

Slang adjective meaning excellent, impressive, or outstanding; something that is exceptionally good or effective. Can also describe a person who is very skilled or charismatic.

Example Usage

That guitar solo was absolutely killer.

Origin

From the verb 'kill,' metaphorically meaning to perform exceptionally well, dating back at least to the early 20th century.

Fun Fact

In music production and performance, 'killer' often refers to the standout track or moment that makes a piece memorable.

Source: Definition backfill (hailey)

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