Rigby the Catrefers to acatbest known for a GIFin which she stares at the camera with her tongue poking out while a liquid sprays at the camera as if she were peeing. The GIF comes from the Tik Tokand Instagrampages @Iam Rigby Cat, which Rigby's owner operates. Rigby has a neurological condition called "fainting goat syndrome," which causes her muscles to stiffen up and become paralyzed when she gets excited. The condition results in her making some unique and funny expressions, often with her tongue sticking out. The Rigby "peeing" video was posted in late March 2025 and gained traction in subsequent weeks as it became used in reaction memes.