dash it

— A party of his friends had met in the evening to talk over his merits, and to drink, in Scottish phrase, his Bonallie. While, about the witching hour, they were crowning a solemn bumper to his health, a figure burst into the room, muffled in a seaman's cloak and travelling cap covered with snow, and distinguishable only by the sharpness and ardour of the tone with which he exclaimed, "Dash it, boys, here I am again!"