As soon as his transformation was finished he got up on his 4 hooves and started trotting around the house breaking stuff and making it clatter on the floor accompanied by the sound of hooves clacking on the floor below( a mix of( clack and clip clop)
His girlfriend was ready for this and prepped in advanced as she pulled out 4 horseshoes or more appropriately Donkeyshoes for him and a hammer.
At the sight of this Jay stopped moving and was left in a position with his legs really spread out, his hooves almost sliding from under him.
Kat could see his donkey cock elongating under his belly and couldn't help but smirk at how eager he was at the sight of them.
He came clopping at her and stopped just in time for his hooves to skidd on the floor below him.
Whose a good donkey boy, yes you are. Do you want to have these horseshoes nailed to your hooves. Yes you do! Yes you do!
His member was fully hard and it almost reached his front legs. While being this horny he could hit his member with his back hooves building up his arrousement.
He turned over and his girlfriend started nailing his horseshoes onto his hooves.while he started braying in excitement. Every hammer strike bringing him closer to an orgasm. As she finished his forelegs he started cumming all though this time the donkey fewer had something 3 times worse in store for him due to not caring about the changes. His orgasm made the nails that were nailed into his hooves disappear. It set in motion the curse of the horseshoes that his girlfriend got from an old woman. Now his horseshoes were permanently attached and by extension his hooves. At this point no a mount of cumming or celibacy could alter his form (not that he was capable of it)
Got you Jay! Now you're not going anywhere, you thought you could leave this place and me behind. You might still be able to do all that maths in your head but with now way of expressing it you're just as useful as as a draft animal.
His girlfriend started laughing as she started stroking him out of happiness that her evil plan worked.
She looked in his eyes as he was on his back with 4 hooves floating around in the air and a member to go along with them 2 that almost reached his front legs.
Didn't take long to realise that his cock wasn't his anymore, not that he could reach it anyway.