washup

noun

1. The act by which something is washed.
2. (informal)Something or somebody that is washed up; a has-been.
3. (slang)A meeting to gauge the success or failure of an operation or war game.

   “I found it quite interesting that the players had gone to great lengths not to fire nuclear weapons, even in games that pitted Soviet and Western forces against each other in demanding situations. […] Huge arguments would take place in the post-game analyses or "washups."”

4. (UK, slang)The period prior to dissolution of parliament, in which any remaining bills are quickly pushed through or else abandoned.