To pay up in cash.
1824. Every man, save Silvy, vociferously swore that he had ponied up his “quarter.”—Atlantic Magazine, i. 343. (N.E.D.)
1824. I’ve heard as how he’d like to have drown’d a man once, ’fore he could make him poney up.—The Microscope, Albany, April 3, p. 15/3.
1855. He thinks the old gentleman will “poney up,” sooner or later.—D. G. Mitchell, ‘Fudge Doings,’ ii. 172.
a. 1872. She reasoned, that, when they saw there was no fire nor smoke on the day in question, they’d pony up with the [borrowed] sugar and saleratus, and the hundred and one other things.—J. M. Bailey, ‘Folks in Danbury,’ p. 102.
