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burned outand burnt out
1. mod. tired; bored. I’m burned out after all that partying.
2. mod. having to do with the ruined veins of an addict. (Drugs.) My veins are burnt out so I shoot in the jug.
3. mod. ruined by marijuana smoking. (see also burnout.) What’s left for these burned out kids?
4. mod. no longer affected by a particular drug. (Drugs.) It’s no good. I’m just burned out. The stuff doesn’t affect me at all.