Daddy Dom/little girl (DD/lg) is a type of power exchange relationship within BDSM. In this type of relationship, the Daddy Dom tends to play a father figure, and represent a Dominant that is more on the gentle and nurturing side. A little girl is a submissive who often identifies with an age younger than her chronological age and behaves like a child in specific situations or exhibits childlike characteristics . In this type of relationship, the Dominant is seen more as a guide and nurturer, while littles are seeking both guidance and care. Littles in these relationships find entering "little space" a way to destress and return to a more carefree time in their lives.
It is important to note that DD/lg relationships occur between consenting adults in the form of role play; they do not involve children. Age play may be a part of the DD/lg dynamic, but not always.