It refers to a “charming” 19th century settler in Patagonia called Alexander MacLennan and nicknamed Red Pig or Red Hog!
patbrit.org/bil/supp/c0278… (via @jpberlinger, who wanted to know if I was related to Alexander MacLennan - not to my knowledge and almost certainly not)
southernconeguidebooks.blogspot.com/2016/04/the-ri…
@threadreaderapp