keen

(redirected from as keen as mustard)
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I've been riding out at Ballydoyle all week but I'm used to having eight rides a day, so I'm as keen as mustard to get out there.
Earlier in the day, he said of the Derry job: "It's no secret that I'm as keen as mustard to take on such a challenge.
The kid is as keen as mustard, he can take a shot and give one.