I--- Gros Cul Vieille Mamie Best [OFFICIAL]

: It fits into the "shitposting" genre of French social media, where users combine random, aggressive, and nonsensical words to create viral "soundboards" or catchphrases.

: A vulgar way to say "big ass" or "large backside." Vieille : The feminine form of "old." i--- Gros Cul Vieille Mamie