Definition of "lg"

For some, this interest in a Lolita persona feeds into a sexual role-playing game (often called dd/lg, short for Daddy [and] little girl […] The role of the dd is to punish and protect while the lg is charming, needy, mildly disobedient, and in wont of a spanking.

2018, Zoe Alderton, The Aesthetics of Self-Harm: The Visual Rhetoric of Online Self-Harm Communities, Routledge, page 82

ABOUT THIS BOOK […] Hey Readers – Warning: This is a sexy, over the top romance with two folks engaged in age play and the DD/lg lifestyle.

2019, Cassandra Dee, Daddy's Pretty Baby: A DD/lg Forbidden Romance