Definition

Past tense of 'slap'—to describe something (usually music) as being exceptionally good, impressive, or of high quality; to 'hit hard' emotionally or aurally.

Example Usage

Did you hear that beat drop? It absolutely slapped!

Origin

From the literal impact of a slap, metaphorically applied to music that 'hits' the listener hard; popularized in hip-hop and rap.

Fun Fact

Often used in music reviews and social media comments to praise new releases.

Source: Definition backfill (hailey)