You feel tired/spent/exhausted. http://de.pons.com/%C3%BCbersetzung?q=ausgelaugt&l=deen&in=&lf=de http://de.wiktionary.org/wiki/auslaugen Image: One uses lye to dissolve a substance from some other material until nothing is left. Figuratively, it means it means that all power has been dissolved from your, and feel tired and exhausted.