Other forms: tipsters
A tipster is somebody who sells advice on races or shares. A racing tipster, follow the tipster, a tipster's column.
The trade rests on selective memory: a tipster who advertises the winners and forgets the losers can look infallible on nothing. Anybody who could reliably beat a market would use the knowledge rather than sell it, which is the standing test.
1nountipsterSomebody who sells advice on races or shares.
“A racing tipster told him to bet everything on a horse that finished last.”
tipster is a person.
Tip, in the sense of a piece of useful information, plus -ster, an ending naming a person.
From tip (etymology 5) + ster*.
Etymology from Wiktionary, CC BY-SA