bank run
noun[C]
BANKING,FINANCEukus(alsorun on the bank)aperiodwhen manypeopletaketheirmoneyout of abankbecause they areafraidthebankwillloseit or go out ofbusiness:
Lastweek, a California-basedbankbecamethelargestbanktofailin twodecadesafter abankrundepleteditsdeposits.