on your uppers
on your uppersor
down on your uppersBRITISH, INFORMAL, OLD-FASHIONED
If a person or a company is on their uppers or down on their uppers, they have very little money. The company is on its uppers and shareholders can forget about receiving dividends for a couple of years. Simon pays cash for his ceramics because he finds so many potters are down on their uppers. Note: The upper of a shoe is the top part of it, which is attached to the sole and heel. If you are on your uppers, you have worn through the sole and heel.
on your uppersextremely short of money. informal
In this expression, worn-out shoes are taken as an indication of someone's poverty; the upper is the part of a shoe above the sole, which is all that is left after the sole has been worn away.