(名詞) 平的厚底鞋;厚的平底鞋。這個字是由 flat + platform (= platform shoe:麵包鞋) 拼綴而成。

The ultimate ugly shoe that just will not die. In 2011, flatforms debuted on the catwalk for the likes of Chanel, Prada and Vivienne Westwood.
—Nicole Mowbray, "Invasion of the world's ugliest shoes: Autumn's clumpy footwear isn't elegant — but there ARE ways to wear it," Daily Mail, August 25, 2013

I'd always fancied that when I was invited to a Reith lecture it would be given by a severe eminence in tweeds, rather than a breezy bloke from Essex wearing a T-shirt dress, sea-green tights and "flatform" shoes.
—David Hepworth, "Next week's radio: from The Reith Lecture to KBRD," The Guardian, October 12, 2013