adj. or adv. (American).An indefinite superlative. Cf., ABOUT-EAST.
1884. S. L. CLEMENS (Mark Twain), The Adventures of Huckleberry Finn, xxxvii. Then she grabbed up the basket and slammed it across the house and knocked the cat GALLEY-WEST.
1887. F. FRANCIS, Jun., Saddle and Mocassin, x. 199. I have seen the Escurial, and Versailles, and the Vatican, and the Dolme Bagtche, and Windsor Castle, and lots of those little dug-outs over there, but Ill be darned if this establishment of yours, Huse, dont knock any one of them GALLYWEST!GALLYWEST, sir, thats what it does! It just dumps the filling out them!