2011, Alison Branagan, The Essential Guide to Business for Artists and Designers, page 87:
Other sources of income, e.g. part-time job, bank of mum and dad, tax credits, etc.
2013, Bridget Rosewell, Reinventing London:
Without the bank of mum and dad, finding the deposit is hard. Part of me thinks that this is nothing new.
2015, Clive Webster, The Ship of Consolation, page 107:
'And who's going to pay?' Dad pointed out, the cash registers going crazy in his eyes. 'No doubt you're expecting to come to the Bank of Mum and Dad for a loan.'