She was a 'loser' in the first round of the tournament. [=she lost in the first round of the tournament]
Whoever benefits from the new government programs, the real 'loser' will be the American taxpayer.
He's a 'bad/poor loser'. = ('US') He's a 'sore loser'. [=he becomes upset or angry when he loses]
(..) And don't come back! Oh, no, you don't! No, no! Get away from me! Uh-uh! Oh, can we keep him, Dad, please? But he's a loser! He's pathetic! He's-- A Simpson. Hmm. Maybe I should call the police. - Oh, he'll sober up. (..)1989 TvShow: The Simpsons Title: Simpsons Roasting on an Open Fire Season: 1 Episode 1