What is "tipsters"

Usage examples of "tipsters".

No matter that the tipsters gave my mount little chance or the bookies were offering ante-post odds of forty to one, the fact remained that for a part-time amateur like myself the offer of a ride in the Gold Cup was as high as one could go.

His testimony at the inquest sounded perfectly logical and so finely informed that it was hard to understand how such a prominent extroverted witness could possibly have escaped being quoted -- or at least mentioned-- by the dozens of newsmen, investigators and assorted tipsters with access to the Salazar story.

The clerical flunkies assigned to the Short case had been given Sunday off, so regular field dicks were doing the drudge work, taking down tips, then writing out slips assessing the tipsters and routing possible follow-ups to the nearest detective division.

Early each morning, it would be full of the best‑looking ne'er‑do‑wells in the city, all the goondas and taxi‑drivers and petty smugglers and racecourse tipsters who had once, long ago, arrived in the city dreaming of film stardom, of grotesquely vulgar homes and black money payments.