Meaning: to put (something) up, often money. Pony, derived from pone, Lat. (present imperative, sing.) Poneo, ponere, "to put" Hence, to pony up is frequently used in monetary settings and games of chance where the demand is made to "pony up", or stake a monetary sum.

Pay up; pay the two dollars.

Pitch in some money to help pay for a group item.

to pay up after losing in poker or other card games

brony speech for "step up" or "man up"

To put up enough money to stay in a hand of poker.

An act of pooling everyone's money in the current group together.