Possible Clues:

• From French garbled by Tommies, old-fashioned slang for “finished”
• In military slang, to finish or kill
• Sodium supply almost finished a long time ago
• Slang expression meaning good-for-nothing used in World War I
• In the rain a poor-spirited good-for-nothing
• Good-for-nothing (slang)
• No more old slang from Poona?