Vulgarism, an instance of non-standard or non-elite usage in a language, not to be confused with "vulgarity" as a synonym for "obscenity" or "profanity"
Messages within the two viruses Pile created with it, SMEG.Pathogen and SMEG.Queeg, suggest that it is also an allusion to the word smeg, used as a profanity by characters in the British TV series Red Dwarf.