what does la la mean
Wiktionary(3.00 / 1 vote)Rate this definition: 1  La-La Land(ProperNoun) The fictional place where wandering, sleeping, or dreaming minds are metaphorically said to end up. 2  La-La Land(ProperNoun) Los Angeles, California (or Hollywood.) 3  la-la land(Noun) A state of mind characterized by a frivolous or unrealistic lack of seriousness.