From Pluralpedia, the collaborative plurality dictionary
faudult (n., adj.)
SynonymsFaux Adult, Eradult
Applies toheadmates

A faudult is a child headmate that acts older or more mature than they really are because of the trauma they hold. They may be mistaken for ages older than they are because of this, but they are still mentally a child. this can be considered both a role and a modifier.

This term is similar to littlex and claudia, and may be considered a mix of both.