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!"
(noun)
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.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"