farc columbian guerrillas/communist british military slang oppo - opposite number/close working buddy pongo - soldier - derisive ponce/poncey - upper class/educated/effeminate - derisive regiment - he was regiment- he was sas rock apes - raf regiment - defensive unit of airfields rupert - officer/upper-class - derisive beast - punish soldier stripy - air force officer , derisive term for ranking stripes billets - accommodation/food civvy - civilian badged - qualified entry to sas , receipt of cap badge best bib and tucker - best suit/outfit/military dinner suit qt - on the qt , on the quiet stag on guard duty valetta , malta .