2008 July 7, Mexcrementy, “Mexico plants border 'wall of life'”, in soc.culture.mexican.american[1] (Usenet):
I say the U.S. should also plant trees. They can be festooned with mexcrement wetbacks dangling by their scrawny necks. Should we call them Live Piñatas?
2009 September 24, Dirty Sick Pig, “16th-century Mexican Indian map offers key to history”, in alt.usage.spanish[2] (Usenet):
Wow! A mexcrement spic writing in the language of Spaniards (his former masters)! Don't you have your own native language?