To excel. Knocker. One that excels.
1853. He ‘knocked’ all the adjacent male population, native and imported, in the matter of looks, and would have made us all very envious, if the lords of creation ever were envious of such things; but I believe that is a privilege of the other sex.—Knick. Mag., xlii. 55 (July).
1888. Neat, clean-cut, effective, and plump, her figure was a knocker.—St. Louis Globe-Democrat, April 29 (Farmer).
