Noun, Suru verb, Intransitive verb
going crazy; losing one's temper; snapping
ColloquialOnomatopoeic or mimetic word
Adverb (fukushi), Adverb taking the 'to' particle
(breaking) with a snap (of a thread, rope, etc.)
Onomatopoeic or mimetic wordsee プツン
Also written ぷっつん