Wiktionary
n. (sleeping policeman English)
Usage examples of "sleeping policemen".
I bumped slowly over a succession of sleeping policemen, past fancy restaurants with glinting glasses and dazzlingly white linen tablecloths, all laid out for lunch.
The prototype and all the blueprints and design specifications had vanished mysteriously from an office in the Central Technology Department of the Oceanian Ministry of Science back in 2987, and the design team were so dispirited by this setback that they forgot all about the project and went back to designing sentient sleeping policemen for the Road Traffic Department.
They have speed-bumps in the road that they call sleeping policemen.
And for some reason that's how I started thinking of the coffins, as sleeping policemen.
She checked her watch as her car bumped over the thick sleeping policemen that slowed traffic coming away from the border booths.