[{"Bold_text": "noun", "List Items": ["a person who bums others."]}, {"Bold_text": "noun", "List Items": ["the unpleasant aftermath of taking narcotic drugs, especially frightening hallucinations or unpleasant physical sensations.", "any unpleasant or disappointing experience:That concert was a real bummer."]}, {"Bold_text": "interjection", "List Items": ["(used to express disappointment, frustration, or the like):Looks like we're having a test tomorrow—bummer!"]}]