パチン

adverb taking the 'to' particle, adverb

with a click; with a snap

Mimetic word for a sharp, light snapping or clicking sound, often used with と.

• 彼かれは指ゆびをパチンと鳴ならした。

  He snapped his fingers with a click.

• スイッチをパチンと入いれる。

  I flip the switch with a snap.

noun

ornamental clip (hair, obi, etc.)

Abbreviation of パチン留め; a decorative clip used for hair or obi. Casual noun usage.

• 髪かみにパチンを付つけてみた。

  I tried putting a clip in my hair.