- scatterbrain (n.)
[scatterbrain 词源字典]
- also scatter-brain, "thoughtless, giddy person, one incapable of serious, connected thought," 1764 (scatter-brained), from scatter (v.) + brain (n.). Related: Scatterbrained. Compare scatter-good "spendthrift."[scatterbrain etymology, scatterbrain origin, 英语词源]