godan verb (-ku), transitive verb
Rare transitive verb meaning to break something into pieces or chip a piece off. The prefix ぶっ adds a rough or forceful nuance.
彼は石をぶっかいて小さくした。
He broke the stone into small pieces.
Rare kanji spelling; the word is uncommon and may be encountered mainly in older or literary texts.
Kana spelling is practical for this rare verb, as the kanji form is seldom used.
Formed from the prefix 打っ (ぶっ, a variant of 打ち) added to 欠く (かく, 'to chip'). The exact historical development is uncertain, but it likely originated as a colloquial or emphatic form.