Definition

The smallest finger on the hand; also used in the phrase 'pinky promise' or 'pinky swear,' a childhood oath where two people link their smallest fingers as a sign of commitment. Often considered binding, especially among children.

Example Usage

We made a pinky promise that we'd be best friends forever.

Origin

The word 'pinky' likely derives from Dutch 'pink' (small) or may relate to 'pink' as a color; the ritual of pinky swearing emerged in childhood culture

Fun Fact

Pinky promises are considered unbreakable in children's culture and breaking one is treated as a serious betrayal, though they have no legal standing

Source: Definition backfill (hailey)

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