Cocaine. One of an infinite number of synonyms used on the streets and, dangerously, in mobile text messaging, hoping to foil the automaticword detection system used in monitoring all UK cell-phone text transmissions.
The submissive partner in anal intercourse, especially homosexual anal intercourse.
A derogatory term for an assistant or helper.
Possibly of naval origin, since the rigger on a sailing ship got things shipshape and ready for sail