A rule that permits a party to take back evidentiary materials that were mistakenly turned over to the other party but to which the other party would not have been entitled.
Any recovery of a performance-related payment based on discovery that the performance was not genuine.
Money that a party is entitled to keep under one tax provision but is taken by another tax provision.
A sycophant, a yes-man; one who meddles, tattles, informs (often in order to curry favour).
Of or relating to pickthanks.