Answer: digging

AnswerCrossword Clue
DIGGINGWorking at night for Dr. Frankenstein?
DIGGINGSpadework.
DIGGINGFun in the sandbox.
diggingexcavation
diggingto uncover by removing earth
diggingto form by removing material
diggingto break up, turn over, or loosen (earth)
diggingthrust
diggingcutting remark
diggingDIG, to excavate (to dig out)
diggingto break up and move earth
diggingto make one's way by digging