fad
fad
- n  an interest followed with exaggerated zeal
                    
                        
                            
he always follows the latest fads 
- In fact, what parental disapproval there is seems only to fuel the fad.
 - Bart Simpson is an underachiever "and proud of it," as a million T shirts read, back when The Simpsons began its run on Fox and he was the first fad of the '90s.
 - Bananas are hardly the first fad diet to create shortages in Japan's consumer markets.