We would like to show you a description here but the site won’t allow us. DEFINITION OF A LOLI A Loli is not solely AN UNDERAGED GIRL, although many underaged girls can be considered 'Real Lolis' (see below). Lolis are girls or young women who only look like they may be underaged due to their body size and shape. An important attribute for a loli is a flat or underdeveloped chest, symbolizing or giving the impression that they might be underaged or childlike. One's.