Urinal dress

Urinating in a dress while wearing underwear with bare legs under the dress.

Peeing in a dress is a urinal dress. Gotta wear underwear with bare legs under the dress to pee in the dress.

Toilet Skirt

Urinating in a skirt while wearing underwear with bare legs under the skirt.

Peeing in a skirt is a toilet skirt. Gotta wear underwear with bare legs under the skirt to pee in the skirt.