You could always spruce it up a bit and go with a foreign greeting, but make sure you know what it means otherwise you could come off looking like a bit of a Del boy. My favorite line was: "We are both on this site to meet someone great and I think it would be foolish if we didn't talk at least once. When they take it, think about the last thing that made you laugh and smile like you mean it.
So do I! You, by proxy, will also seem more interesting. Talk about your quirks.