Legal Loli 

A girl who looks like a child but is of, or older than the legal age of consent.

Guy 1: How old is your girlfriend? she looks about 12!
Guy 2: She's 18
Guy 1: Wow, looks like you got some legal loli!

Legal Loli by Yuricon May 21, 2010

Legal Loli Day 

Lolis are legal on December 15th.

Person 1: It's December 15th! Lolis are legal!!!

Person 2: Finally... Legal Loli Day...

Legal Loli Day by Yoda's last name March 24, 2021