Screwball was originally a sports term referring to the looping, irregular path of a ball in games such as cricket, tennis, and baseball. The term was popularized in the 1930s by baseball pitcher Carl Hubble’s corkscrew-like throw that made him a...
shuto n.— «He also throws a pitch known in Japan as a “shuto” that essentially is a screwball—though he didn’t use it Wednesday.» —“Against Pirates, Matsuzaka Is ‘as Good as Advertised’” by Dave Sheinin in...

