The word Bandell is generally slang used by 14-20 year olds.To call someone a Bandell means they are a person whom has absolutly no idea of the value of money, the person would be prone to buying random objects of which only he can see the use or value of. If someone where to pay a unexplainably high price for something and then sell it on for a hefty loss they would deserve to be called a Bandell.