pre-milf
The precursor to the organism known as milf. When an attractive female reaches prime child-bearing age, they are called pre-milfs. Though excellent in form and beauty, pre-milfs are very rare in the wild.
Damn! That girl is fine! Look at those hips! She's a pre-milf for sure!
pre-milf
A heavily pregant woman who is hot. On the way to being a milf.
Look at that pre-milf. Once she pops she's gonna be a milf.