godan verb (-su), transitive verb
knock out of the park; slam; send flying; wallop
Vivid, forceful verb used in sports (especially baseball) for hitting a ball hard and far, and by extension for striking a person with great force. Colloquial and energetic.
大谷選手がホームランをかっ飛ばした。
Ohtani knocked a home run out of the park.
He slammed the ball and sent it over the fence.
あいつを一発かっ飛ばしてやりたい。
I want to wallop that guy one good time.