When a women is dating a controllingdouche bag and he literally has to give her permission to do anything. Such as talk to her own mother, listen to music, wear certain clothing, answering her phone, etc.
generally a tall person that hangs in Welwyn Garden City town center causing trouble. A westy usually wear outrageous clothes and ponders around with his wild hair. A westy is usually known for a rather large genitalia area that stands about 10inches long. A westy's nickname is Big Al.