Any handheld piece of technology that is old or outdated, like a cell phone or a offbrand mp3 player. The term comes from an episode of Tim And Eric Awesome Show Great Job that has a "commercial" that tries to peddle a ridiculously shitty cell phone.
Person One: Hey, bro, my cell phone just died. Can you mapquest directions to the party?

Person Two: Nah, sorry dude. I got the cinco phone.

or

Person One: Hey, can you take a picture of me here?

Person Two: Sorry, my cell phone doesn't have a camera.

Person One: You mean your Cinco Phone doesn't have a camera.
by cinco phone June 1, 2009
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