mark (one's) card

(redirected from mark his card)

mark (one's) card

To alert one to pertinent information about something or someone; to tip one off. Shortly after I started, one of my coworkers marked my card about the boss's tendency to give very harsh criticism.
See also: card, mark

mark someone's card

give someone information. informal
This idiom, which dates from the mid 20th century, derives from the world of horse racing. The card is a race card , the list of runners at a race meeting, so to mark someone's card is to give them tips for possible winners.
See also: card, mark
References in periodicals archive ?
Basically he wasn't happy because John had said he was able to mark his card if the police were coming for him.
The beauty joined Mike to help mark his card and promote the popular Down Royal flat meeting which will be held at the course this Friday and Saturday.
If I was a boss at C4, I'd regard his judgment as poor and mark his card.
But someone needs to mark his card about the facts.
McCoy made it three on Tiger Grass for Martin Pipe in the three-mile-two-furlong handicap hurdle, to the evident satisfaction of Pipe's right-hand man Chester Barnes, who had let the handicapper mark his card about the grey's chances.
We knew the role Dermot plays as the second largest shareholder and we felt it was correct to mark his card about our ideas.