From the jump, adv. phr. (colloquial).—From the start.
1848. New York Tribune, 11 Nov. Here is a whole string of
Democrats, all of whom had been going the whole hog for Cass from
the jump.
b. 1871. Wild Bill [quoted by De Vere]. I knew how it would come
from the jump, for in the man’s face was written rascal.
1888. Daily Inter-Ocean, 3 Feb. He can depend on a big crowd and
fair play from the jump.
To jump at, verb. phr. (colloquial).—1. To accept eagerly.
1848. Longstreet, Georgia Scenes [quoted by De Vere]. When I
offered him that, his whole face brightened wonderfully, and he
jumped at the offer.
1861. T. Hughes, Tom Brown at Oxford, iii. 1. Mary was getting on
badly with her drawing, and jumped at the idea of a ramble in the
woods.
1882. James Payn, Thicker than Water, vii. His circumstances were
such that, to use a homely but very significant expression, he
might well have jumped at such an offer.