"Involuntary urination" means peeing without intending or wanting to. It happens when your body releases urine without you being able to control it. Full definition
Symptoms of urinary incontinence include involuntary urination when resting or sleeping, as well as dribbling when walking. (blog.petmeds.com)
Behavioral problems: submissive urination is a kind of a stress associated cause of involuntary urination that is featured by the pet assuming a submissive position whilst urinating. (usbones.com)
Immobility Body — crouched directly on top of all fours, shaking Belly — not exposed, rapid breathing Legs — bent Tail — close to the body Head — lower than the body, motionless Eyes — fully open Pupils — fully dilated Ears — fully flattened back on the head Whiskers — back Vocalisation — plaintive miaow, yowling, growling or silent Hissing, growling, shaking, drooling Involuntary urination, defecation Aggression if approached (yourpetspace.info)