E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Dander.
Is your dander up or riz? Is your angry passion up? This is generally considered to be an Americanism; but Halliwell gives, in his Archaic Dictionary, both dander (anger) and dandy (distracted), the former common to several counties, and the latter peculiar to Somersetshire.