[buhm] 
noun, verb, bummed, bum⋅ming, adjective, bum⋅mer, bum⋅mest.| 1. | a person who avoids work and sponges on others; loafer; idler. |
| 2. | a tramp, hobo, or derelict. |
| 3. | Informal. an enthusiast of a specific sport or recreational activity, esp. one who gives it priority over work, family life, etc.: a ski bum; a tennis bum. |
| 4. | Informal. an incompetent person. |
| 5. | a drunken orgy; debauch. |
| 6. | Informal. to borrow without expectation of returning; get for nothing; cadge: He's always bumming cigarettes from me. |
| 7. | Slang. to ruin or spoil: The weather bummed our whole weekend. |
| 8. | to sponge on others for a living; lead an idle or dissolute life. |
| 9. | to live as a hobo. |
| 10. | of poor, wretched, or miserable quality; worthless. |
| 11. | disappointing; unpleasant. |
| 12. | erroneous or ill-advised; misleading: That tip on the stock market was a bum steer. |
| 13. | lame: a bum leg. |
| 14. | bum around, Informal. to travel, wander, or spend one's time aimlessly: We bummed around for a couple of hours after work. |
| 15. | bum (someone) out, Slang. to disappoint, upset, or annoy: It really bummed me out that she could have helped and didn't. |
| 16. | on the bum, Informal.
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