subs. (colloquial).An unreasoning ass; SCATTER-BRAINED = giddy.
1849. C. KINGSLEY, Alton Locke, xii. A certain SCATTER-BRAINED Irish lad.
1857. T. HUGHES, Tom Browns School-days, I. ii. A good-hearted, tearful, SCATTER-BRAINED girl.
1857. C. READE, Art: A Dramatic Tale, 23. Poor Alexander, he is a fool, a SCATTER-BRAIN, and, for aught I know, a versifier; but he is my son.