[ that's a very philosophical question, m'am. ]

It's when you use a camera to take a picture of yourself. You can turn the lens on yourself or use a mirror... But selfie sticks are pretty popular these days, too. [ nevermind that Allura probably doesn't know what that means! she's ranting now. ] Posting a selfie online can be pretty nerve-wracking, but it feels good when you get it right!