Definition

An expression of dismissal or disbelief, popularized by the 1995 film *Clueless*, used to sarcastically reject a premise or mock someone's suggestion as obviously false or unlikely.

Example Usage

He thinks he'll finish that project by tomorrow? As if!

Origin

Popularized in 1990s youth culture, particularly through the film *Clueless* (1995) and the TV series that followed, though the phrase has older roots in casual speech.

Fun Fact

The term became so culturally iconic that it defined an entire generation's speech patterns and remains instantly recognizable as '90s slang.

Source: Definition backfill (hailey)