A young girl that enters into sexual relationships with old men that could be mistaken for her grandfather, for financial gain. Different than a morghane. A morghanne is lazy and will accept any shiny trinket for sexual favors. A morganforeman works very hard to gain as much money as possible from her elderly victims.

The church is upset at the morganforeman that continues to sit in the front row, next to the preacher.

When you eat dirt for the first time and leave your family to build a shack in the woods