Definition

A person who adopts the mannerisms, clothing, or beliefs of a subculture or social group without genuine commitment or understanding; a fake or pretender.

Example Usage

He bought a skateboard yesterday and now he thinks he's a skater—total poser.

Origin

From 'pose,' suggesting someone is merely striking an attitude rather than embodying authenticity.

Fun Fact

Particularly used in punk, goth, and alternative music subcultures to police authenticity within the community.

Source: Definition backfill (hailey)