Definitions by Lunchbox Surpise

cat flappy 

The product of applying too much catsup to a burger or sandwich. When pressing down on the bread it jets the excess catsup out all over the plate and maybe yourself, thus looking like the sandwich has quiffed.

"Oh shit son! This burger just pulled a cat flappy!"

cat flappy by Lunchbox Surpise April 23, 2007