書かきまくる

godan verb (-ru), transitive verb

write freely; dash off; write a lot

Expresses writing continuously, energetically, or in large amounts, often with a sense of abandon. The auxiliary verb まくる adds the meaning of doing something vigorously or without stopping.

• 彼かれは一いち晩ばんで小しょう説せつを書かきまくった。

  He dashed off a novel in one night.

• ブログに毎まい日にち書かきまくっ