Rule34 If it exists there is of it Flap r34 is a term used to describe an adorable stance that cats often find themselves in. It involves stretching their fore legs forward and spreading their back legs backwards, resulting in a adorable show of cuteness. Flap r34 is especially common among kitty companions who love to chill and exhibit their flexibility. It is incontestably endearing to witness a fluffy feline flap r34 in all its majestic glory. No matter what you call it, splaying r34, this pose is sure to make your heart warm with affection.