stubborn prideful sub who is on their knees with their hands tied behind their back. except they have to go so so bad that they gave up the nonchalant act about ten minutes ago when the leaks started pouring into their underwear.
they've probably given up asking to use the bathroom at this point - they know they won't be able to even stand up, let alone walk to the toilet - so they've been begging for permission to just wet themselves.
frantically squirming, trying to get one knee over the other, rocking back and forth, leaks still forcing their way out. their dom forcing their boot between the sub's knees, pushing their thighs apart.
their dom asks if they're leaking. telling their pretty little sub to open their legs so they can check. sub, completely unable to hold it anymore, ashamedly and frantically admitting that they're not just leaking, but genuinely peeing their pants full force.
peeing so hard that it's hissing, traveling down their inseam, getting on their dom's boot. moaning in relief and slumping with their forehead against their dom's knee to hide how red their face is as they flood their pants.