Top Definition
The leftover foundation thats stuck on your screen after a conversation where the phone has been pressed against the cheek. Often seen on touch phones, since they have a larger screen.
Emma: EEEEUUUW! Whats that brown gunk on your screen?!

Johanna: Aaah, thats just some phonedation after my conversation with Peter.

Emma: Damn, he's hot!
by Cupcaken February 25, 2010

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