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

Catflapped 

To quietly leave a gathering or slip off to bed without announcing the fact. Also known as “French leave”

Where’s Ed? I don’t know - he’s probably catflapped

Catflapped by Dabbo July 12, 2021

CATFLAPPED 

A term for being pwn'd. Used most often when playing various fantasy sports.

You just got CATFLAPPED

CATFLAPPED by Foxcolt April 21, 2015

CATFLAPPED 

K-at-f-lap-d: is the female equivalent of T-bagging an unsuspecting or otherwise distracted individual. The female will expose her vagina and in a swift action thrust her vagina onto her opponents forehead (for best effects a wet vagina is preferred).

"Tina just catflapped the ish out of Mike!"

CATFLAPPED by REDeyeBANDIT816 June 26, 2022