to harm or disfigure. Referring to a once-standard line printed on machine-readable documents, such as computer punch cards. (Such a document, if folded, placed on a bill spike, or otherwise punctured, would no longer be machine-readable.) At the bottom of the bill, it said "do not fold, spindle, or mutilate," and Jane, in her anger, did all three. Look here, chum, if you don't want to get folded, spindled, or mutilated, you had better do what you are told!