godan verb (-su)
dig up messily; dig around carelessly
Describes digging in a disorderly way, scattering soil or making a mess. Often implies a rough or haphazard action.
犬が庭を堀散らして、花壇がめちゃくちゃになった。
The dog dug up the garden messily, and the flower bed was ruined.
子供たちは砂場を堀散
The children were playing, digging around messily in the sandbox.