jump at
verb1
Idiomatic To accept (an opportunity, chance, job etc.) quickly and eagerly.
- I jumped at the position as soon as it was offered.
- In the circumstances he jumped at the easiest thing—he drifted past the lane with an amiable wave of recognition, pedalled slowly along until he had given the other man ample time to have gone well away, then turned and leisurely resumed his interrupted progress in the same direction.1934, Ernest Bramah, The Bravo of London: