AICMFP

Etymology
After newspaper competitions, such as, where readers were offered money for spotting a certain figure in public and accosting him with a passphrase, such as "you are Lobby Lud, and I claim my five pounds". (However, the Lobby Lud competition did not involve this phrase.)

Usage notes

 * Used humorously on the Internet to liken one person's behaviour or attitudes to somebody else's, as though the writer had genuinely confused them.