I remember looking that one up on Wikipedia, at some point, because it weirded me, too. I recall it was from a programming language, but I forget which one was named.

*wry* And yeah. A lot of the pairing nicks are just... strange. The originator of "doughnuts", for the Doumeki/Watanuki pair in Xxxholic fandom, swears she did it as an ironic joke. Which only goes to show that fandom will pick up anything.