run dry
To become unavailable due to the entire supply having been used. A: "I'll take another beer, please." B: "Sorry, Bob, we've run dry." It seems that the support for the senator in the area is running dry.
run dry
(especially of a source of money or information) be completely used up.run ˈdry
stop supplying water; be all used so that none is left: The wells in most villages in the region have run dry.Vaccine supplies started to run dry as the flu outbreak reached epidemic proportions.