central nervous system stimulant, a proprietary name (Ciba Ltd., originally in Switzerland) for the drug methylphenidate hydrochloride. It was trademarked 1948, years before the drug itself was marketed.
"dog," 1917, American English, of unknown origin. Earlier it was a dog name, attested as such by 1901 as the name of a dog owned by Dick Craine, "the Klondike pioneer" (the article in the May 12 Buffalo Courier reports: " 'Pooch' is the Alaskan name for whisky, and although the dog is not addicted to the use of this stimulant, he is a genuine Eskimo dog, and, therefore, it is appropriate"). Harvard coach "Pooch" Donovan also was much in the news during the early years of 20c.