1996, Lorne Torres, “Cheat Codes”, in alt.games.warcraft (Usenet):
Cheat codes are for llamahs...
1999, Seaking, “stop with the gay wrestling pics already!”, in alt.sex.fetish.wrestling (Usenet):
Ever notice llamahs pop up at the end of the scholastic year... usualy[sic] when kiddygarten lets out (if the IQ of their txt contents are any indication).