My freshman college roommate and I were friends with a guy who was still a high school senior. We were at UT Austin, and we knew he was about to come to town. We wanted to let him know how to contact us, so (revealing how long ago this was), we sent the following telegram, which was actually delivered to him in class:hovercat wrote:John has a long mustache. Simple single use codes for important stuff.
"The dove flies low over Moscow tonight. Call xxx-xxxx upon arrival in capital."
It worked.