The term SUBBED is a shortened form of the phrase 'substituted in'. It is used to describe when someone takes the place of another person in a job or activity. The crossword solutions SATIN and STOODIN are related to this term. SATIN is an acronym for 'Substitute Assigned To Incoming Newcomer', which is a term used to describe someone who is temporarily assigned to a new position. STOODIN is an acronym for 'Substitute Taking Over On Duty In Need', which is a term used to describe someone who is temporarily taking over a position due to an emergency or other urgent need.