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1.
A genius ad campaign created by the clever folks over at Boost Mobile designed to sell more phones to the African American demographic.

To be chirped is to be called via the phones walkie talkie which emits a street savvy *CHIRP*
"y0 dawg, I straight chirped you an hour ago"
"sorry holmez, I was too busy purchasing some orange juice to mix with my Old E"
"STRAIGHT CHIRP'N!"
by OnoSendai February 01, 2006