1 definition by Bida

1. When you take a picture of your butt on your cellphone and send it to your friends.

2. When you take a picture of your butt on your cellphone, leave it as your background, then leave your phone somewhere where you know people will pick it up and look at it.
Jon's been cell-mooning around the office; three people saw his hairy ass!
by Bida April 02, 2008

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