When a person -particularly of the female persuasion- feels the need to post excessive pictures of them self with their lips pushed out in "duck face" and more-often-than-not with copious amounts of cleavage, on the internet.
Girl 1: "Did you see Janie's new profile picture?"
Girl 2: "Yea, it looks just like the rest of them. She has a serious case of Slutty Duckling Syndrome."
Girl 2: "Yea, it looks just like the rest of them. She has a serious case of Slutty Duckling Syndrome."
by MeleeLee August 8, 2012
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