This was a victory that could only have been won by a political movement with a brashly irrational self-confidence.
At first, I was brashly incredulous, as anyone would be who was mixing and mingling with the colonel in the daily amenities.
1824, of obscure origin, originally American English; perhaps akin to 16c. Scottish brash "attack, assault," or French breche "fragments," especially of ice, from a Germanic source (cf. Old High German brehha "breach," from brehhan "to break"), or to German brechen "to vomit."