Definition

Abbreviation for 'as fuck,' used as an intensifier to amplify an adjective or statement; conveys extreme degree or emphasis.

Example Usage

This coffee is bitter af and I love it.

Origin

Born from internet culture and texting shorthand, 'af' exploded in popularity on Twitter and Tumblr circa 2010s as a way to bypass content filters while maintaining the intensifier's punch.

Fun Fact

Despite the abbreviation's crude origins, it has been adopted into mainstream casual speech and even appears in some published style guides as acceptable informal usage.

Source: Definition backfill (hailey)