Yardle is difficult to describe, as it encompasses many facets of life. To some it is a way of life, yet to others it is simply a strange word.
In its common form, it refers to a general fuckup, as in "pulling a yardle". However, it can also refer to a general attitude of not caring too much about small problems. Sometimes, it lacks any meaning at all.
A place in which, kids (99.8% of Asian descent and 0.2% fish) go to school and get shouted at by the big boogey man - Basra (someone who hasn't been laid in a long time) and learn totall nothing apart from whether Hassan or Usman has loza.