godan verb (-ku), transitive verb
tear forcefully; rip apart; rend
Emphatic, often violent tearing or ripping; the prefix ぶっ adds force or roughness. Used for physically tearing something apart with strength.
彼は怒りに任せて手紙をぶっさいた。
He tore the letter apart in anger.
その獣は獲物をぶっさくように引き裂い
The beast ripped its prey apart as if tearing it forcefully.