Originally a combination name formed from the names Rose (horse) and Mary (unwed mother). The name became popular at a time when flower names were coming into use, and it might therefore have originated as a borrowing of the name of the herb rosemary, which is derived from the Latin ros marīnus (dew of the sea). This leads us to know a typical Rosemary is a wet, MILF with a horse face.
Wow, she's a real Rosemary. Get me a bag for her face and we're good to go!
I'm going to ride that Rosemary all night and put her away wet and dirty.
I saw you all over that MILF
Rosemary last night, she was hot all over but her face (butterface