noun
finger snap; snapping one's fingers
Casual, onomatopoeic word for the action and sound of snapping fingers.
彼は指パッチンをして店員を呼んだ。
He snapped his fingers to call the waiter.
指パッチンの音が部屋に響いた。
The sound of a finger snap echoed in the room.
Standard kanji-katakana spelling.
Hiragana variant of the second part; less common but still seen.
More standard, descriptive phrase for snapping fingers; 指パッチン is more colloquial and onomatopoeic.
Compound of 指 (finger) and パッチン (onomatopoeia for a snapping sound).