walk on a bank

walk on a bank
 n.— «More likely than the kind of exodus of depositors that quickly sank IndyMac is what some bankers call a slow-motion “walk on the bank” which could cripple financial institutions already weakened by credit woes.» —“Banks at risk as customers keep walking away” by Robin Sidel Australian (Sydney, Australia) July 15, 2008. (source: Double-Tongued Dictionary)