2:(at home with family)Note to crowd, there's no hot water left.
3:(at the office) Note to crowd, the printer is out of toner.
4:(to imaginary freinds)Note to crowd, someone drank all the beer.
The other participent says "bye"--or something-- The original person says "bye"/whatever again, and the other one responds. This can go on for minutes or longer until someone--or their parent--puts their foot down.
SampleSNperson8: call you later
SampleSNperson8: yea, cya
ExampleScreenName1: OK I HAVE TO GO NOW!!! PARENTS!!! GAH! BYE!
SampleSNperson8: OK!!! BYE!!!