A transformation in a man that changes his appearance from a one to a ten, making him totally do-able.
Sara: "Hey Karen, did you notice Sacha's awesome mansformation?"
Karen: "Yea, I always thought he was attractive, but now he is totally do-able!"
Sara: "Amen, sister!"
1. The process by which one becomes a man. This does not wholly or in part refer to surgical procedures or the unforeseen growth of an appendage.
2. The point at which we stop being such stupid babies
Matthew's mansformation was evident by the him not crying when the car ran over his foot.