That doesn't make it not an easter egg, though. Most 'easter eggs' function perfectly for what they are, they're just also amusing and not entirely necessary.

You, sir, have just found the perfect nickname for my girlfriend.

Quite a few RFCs published on April 1st are to be considered with somewhat of a grain of salt, cf. RFC 1149 (http://www.rfc-editor.org/rfc/rfc1149.txt)