To chirps is to chat up, woo, or court another person. This is a London street slang definition.

When you eat dirt for the first time and leave your family to build a shack in the woods

This is what you are doing when you insult someone. You are chirping them.

to talk down, insult or straightout downgrade another persons capacity to live or perform an activity. commonly used on sporting fields, school yard bust ups, or between friends.

not only on boost mobile, like the morons down on here think, but with ANY nextel phone..to use the walkie talkie function

to boast; to brag; to put others down and talk oneself up in an arrogant way.

When someone tries to be funny around a group of people and no one laughs. You can also get chirped even if you don't mean to be funny. This idea was taken from when comedians tell jokes and it is very silent so you hear the crickets chirping.