Green’s Dictionary of Slang

bombed out adj.2

(Irish/Scot.) jilted; sent on one’s away, rejected.

[Scot]M. Munro Patter 12: bombed out Rejected, out of the question.
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[Ire]O’Byrne Files: Dublin Sl. Dict. 🌐 Bombed out as adj. Jilted, given walking papers.