1 - A dress (usually a wedding dress or prom dress) that resembles a cake. These dresses are usually puffy or some random girly colour. They look stupid and make you look fat.

2 - A dress that is actually made of cakes. (Trust my, this has happened!)
"How was the wedding yesterday?"
"It was a lot of fun, but the bride was wearing a cake dress."
by Corinne Simpson October 15, 2006
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