Definition from Wiktionary, the free dictionary
- Is this a proper noun or a common noun? It comes from "septic tank", which is a common noun, but it refers to a national, so it could well be a proper noun.
- Is it derogatory?
— Paul G 15:41, 21 October 2005 (UTC)
Don't know about the first part, but it's meant to be derogatory i.e. septic tanks are full of shit. It isn't as common as it once was either, although a fantastic rhyming slang. — (unsigned)
- The intended tone is normally a bit of fun, though whether the recipients think that is another matter ... — Kevin Ryde 23:40, 14 January 2008 (UTC)