| 1. | a boat, esp. a paddle-wheel steamer, used as a traveling theater. |
| 2. | Informal. show-off (def. 1). |
| 3. | a person, esp. an athlete, who performs in an ostentatiously sensational manner calculated to draw attention; show-off. |
| 4. | to perform or behave in an outrageous or spectacular manner. |