[rip-er] 
| 1. | a person or thing that rips. |
| 2. | Also, ripper bill, ripper act. a legislative bill or act for taking powers of appointment to and removal from office away from the usual holders of these powers and conferring them unrestrictedly on a chief executive, as a governor or mayor, or on a board of officials. |
| 3. | a double-ripper. |
| 4. | a killer who dispatches and often mutilates victims with a knife or similar weapon. |
| 5. | Mining. a hooklike tool, attached to earth-moving machinery, for tearing away ore, rock, etc. |
| 6. | Chiefly British Slang. something especially strong, fine, or good of its kind. |
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