| 1. | rogue; rascal; scoundrel: That son of a gun still owes me $20. |
| 2. | a tiresome or disagreeable matter, chore, etc. |
| 3. | (used as an affectionate greeting, term of address, etc.): Charlie Humpelmeyer, you old son of a gun, how are you? |
| 4. | (used as an exclamation of irritation, surprise, dismay, etc.). |

| son of a gun Informal n. pl. sons of guns
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son of a gun
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