shit stoppers noun drain-pipe trousers (a tight-cut, narrow-legged part of a Teddy Boy’s “uniform”) UK
“Drainpipes” (or, worse, “shit-stoppers”) were what Teddy Boys wore and Teddy Boys were the most laughable [later-1970s] subcult of all, men who would not admit to the passage of time. — Stuart Maconie, CiderwithRoadies, p. 105, 2003