Definition

Superlative form of 'real'; the most genuine, authentic, or true; also used in slang to mean the most honest, direct, or straightforward person or version of something.

Example Usage

That's the realest advice anyone's given me about relationships.

Origin

From 'real,' derived from Medieval Latin 'realis' (relating to things), with '-est' as the superlative suffix.

Fun Fact

In hip-hop and street vernacular, 'realest' became prominent in the 1990s as a marker of authenticity and credibility, particularly in artist personas and street credentials.

Source: Definition backfill (hailey)