the.com/pinky

The weakest finger with the biggest ego — promises, pianos, and existential threats to teacups.

means The smallest finger on the hand, used for little more than stirring tea and sealing solemn childhood vows.

from Borrowed from Dutch 'pink,' meaning 'little finger,' with the diminutive '-ie/-y' tacked on for extra smallness — so 'pinky' is literally 'tiny little' squared. It slipped into English by the 18th-19th century and stuck, especially in American usage, while Britain often still just calls it the 'little finger.'

official name
the digitus minimus, if you want to sound insufferable
grip strength
removing it cuts your grip by about half
promise origin
19th century playground pact, break it, lose a finger allegedly
piano duty
pianists train it separately, it is notoriously lazy
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