1. Adverb taking the 'to' particle

   with a click (of a button or switch)

   Onomatopoeic or mimetic wordsee ポチッ

   クリック：マウスの「左側」のボタンを素早く「一回」プチッと押す事です。

2. Adverb taking the 'to' particle, Suru verb

   with a snap; crisply

   Onomatopoeic or mimetic word

3. one (small protrusion, hole, etc.); single

   Onomatopoeic or mimetic wordsee ポチッ

4. Adverb taking the 'to' particle

   shortly; briefly; small

   Onomatopoeic or mimetic wordsee プチ

Also written ぷちっpuchitsu、プチっpuchitsu