Asdan is a popular term used by school students that are mostly from East London wich is used to describe someone who has done or said something idiotic
A really litty person who is crazy stylish and is generally good at life, lol. They forever winnino in every way possible. They are also extremely loyal to everyone around them and are kind but can be bitchy when pushed so she shouldn't fucked with. they can also be a crazy shy person too but overall a good person :)