whacking

1. (informal) Exceptionally large; whopping (often followed by an adjective such as great or big).Examples: "1762, Thomas Bridges, A Burlesque Translation of Homer, London: S. Hooper, 1772, Book 7 of Homer’s Iliad, p. 289, […] all our grannies tell us how He kill’d a whacking great dun cow;"; "1819, Olivia Clarke, The Irishwoman. A Comedy in Five Acts, London: H. Colburn, Act V, Scene 2, p. 80, […] these two whacking Irish boys, that I was telling you of just now, are posted at the hall door to seize the villain, and take him to pay his respects to the next sitting magistrate […]"; "[…] beside them clung a trumpeter, a whacking big man, an’ between the heavy seas he would lift his trumpet with one hand, and blow a call; and every time he blew the men gave a cheer."informalnot-comparable