A person whose Facebook pictures are almost exclusively of themselves and/or their friends making the duck face. This behavior is often seen with teenage or college-aged girls, or drunk women. Also often accompanied by pictures of other acts, such as making wannabe gang signs with their hands.
Guy 1: "Man, her Facebook pictures are nothing but her and her drunk friends making those stupid kissy faces."
Guy 2: "Dude, you've just seen her duckfacebook."
Guy 1: "That sucks, but I'd still hit that shit."
A facial expression utilized by attention-seeking teenage girls in which they push their lips outward and upward to give the appearance of large, pouty lips.
A term used to descibe the face made if you push your lips together in a combination of a pout and a pucker, giving the impression you have larger cheekbones and bigger lips.
"Oh christ, look at that horrific duckface"
"Stop doing that duckface. You look stupid"
When a girl pouts out her lips like the duckface but only pouts them out a little bit, more like a kissy face.
Either way it's still the duckface they're just trying to be sneaky and cute about it.
"Tumblr-girls" tend to do it a lot.
Guy: "Hey this girl looks hot, look at this selfie of her."
Friend: "Nah man she's doing a subtle duckface, that ain't cute."