A hair-style which is commonly found on anime characters which are
1) mothers
2) going to die (mostly early on)
The hairstyle is a loosely tied thick pony-tail which is slumped over one shoulder.
Common examples are:
-The mother of the Elric-brothers in "Fullmetal Alchemist"
- Eren's mother in "Attack on Titan"
A: "Oh shit! That MILF has dead mom hair."
B: "Welp, now we know eho's gonna die first."