To do one’s utmost; also, to boast.
1857. Why don’t you take up some line, spread yourself on it, and go your die?—Knick. Mag., xlix. 277 (March).
1857. He’ll spread himself beyond all bounds. He’ll shine beyond endurance upon the strength of [killing] this bear.—S. H. Hammond, ‘Wild Northern Scenes,’ p. 235.
