Keeping the Receipts

a somewhat paranoid diligence, whereby someone mentally stores the evidence of another’s behaviour, should they ever need it in future.

Often done in order to log consummate lying by individuals in positions of influence or power, such as political figures.

Peter Oborne is a consummate receipt-keeper, maintaining a record of politicians who are lying. He has been keeping the receipts of political elites in an effort to hold them to account.