Underachieving

Tom was an underachieving student.

Tom is a gutless, spineless, gormless, underachieving twat.

The U.S. Women's Soccer team has won a medal at every Olympics since the sport was introduced at the 1996 Atlanta games. The Americans won gold in Atlanta, silver at Sydney in 2000, and reclaimed the gold at Athens in 2004. But after underachieving at last year's Women's World Cup, changes were made to prepare for the Beijing Olympics.