Meanings
Originally often poney. US early 19th century.[1][2] According to Michael Quinion, probably not from the monetary sense of pony and instead from Latin "Legem pone mihi Domine viam iustificationum tuarum" (“Teach me, O Lord, the way of thy statutes”) in reference to March 25th, a traditional day of debt settlement.[1] This etymology has been accepted by the American Heritage Dictionary.[3]
How to pronounce "pony up":
AU
To pay (usually a bill, debt or due).
Example Sentences
1
You need to pony up and contribute your fair share.
2
I can't believe he won't pony up for his own birthday party.
3
The company expects all employees to pony up for the team-building activities.
4
I had to pony up for a new phone after I accidentally broke mine.
5
Parents are required to pony up for the school field trip expenses.