Hello. My name is Fergus and I have a shopping addiction. It's similar to "compulsive buying disorder" and "oniomania." It's essentially a disorder of impulse control
Oh wow!  What's the craziest thing you've ever bought?
One time I bought this huge bear with really, really long legs. I couldn't control myself. My urge to possess the bear was overwhelming. 
Lol.  Like one of those ones you get a fair if you win the best prize?  I've always wanted one of those!
such as window-shopping, visiting shops or spending time in commercial centres is a common and socially accepted desire activity, an addict is differentiated as one in whom this excessive attraction to purchase interferes with the normal development of life and damages their relationships with others, becoming an obsessive and uncontrolled activity. 
Although shopping addiction and compulsive purchase are conceptually different, they are interrelated and both are manifestations of the same problem: the lack of self-control when buying and to restrain impulses. Shopping addiction is understood as the eagerness
Shopping addiction
Shopping addiction is defined as the deficiency of impulse control which appears as the eagerness for constantly making new purchases of unnecessary or superfluous things. It is a concept similar to "compulsive buying disorder" and "oniomania", although these terms usually have a more clinical approach, related to a psychological individual disorder of impulse control. The phrase “shopping addiction” usually has a more psychosocial perspective . or it is placed among drug-free addictions like the addiction to gambling, Internet, or video-games.