Well, I'm a bit late on the WELCOME wagon, but better late than never! Have you been and gone, or been observing for a year? Anyway, no mind, but it's good to have you here.

This is a *great question... I know the exact thing you are talking about -- I hear a really catchy song on the radio and it plays in my head (and sometimes escapes out my mouth) for ages. It seems the more you get annoyed by it, the more it sticks. And it's contagious... once you've let it escape your own mind, then other people seem to catch it too. That can be kinda fun sometimes! [cheeky-e] I like BelM's idee fixe with some variation. Not being multi-lingual, I can't think of anything appropriate at the moment. Any other ideas?