When you send too many messages to one person at one go, or send a long rambling pile of poo when you only needed two sentences. see spam
Message1: Hi I remember you from school you are sooo hot blah blah blah
Message 2: ....
Message 3: ...
Message 14: sorry, I wayyy over-messaged there. I live my wife and kids and I will not be in contaact again.