Definition

Slang expression of approval or satisfaction, meaning cool, awesome, or excellent. Often used as a standalone exclamation or to describe something desirable.

Example Usage

You got tickets to the concert? Sweet!

Origin

From the literal adjective 'sweet' (tasting of sugar), metaphorically extended to mean pleasing or satisfying.

Fun Fact

Became widely used in English-speaking youth culture from the 1970s onward and remains common today.

Source: Definition backfill (hailey)