The time before text messaging.....we used hamsters....before then we stuck our heads out the windows of our cars and shouted.
WWWWWWWWWEEEEEEEE EEEeeeeeeeeeeeeeeeee eee
I apologise for making this into a bit of a ramble, but I am tired and just doing things as they came to me.
You can develop this idea a bit more if you want, discuss it with your friends...