1 definition by Blackskull1337

Much like a selfie. You take a picture showing your face, except it shows part or all of your ass in the photo. Usually using a mirror. Post it on Facebook statuses and such for tons of humour.
She didn't have a selfie but she did have a moonie.

"Wow, nice ass!"
by Blackskull1337 May 15, 2014
Get the moonie mug.