He is just a fair-weather fan who only watches winning games.
fair-weather fan
idiomA fan who only pays attention to their favorite team when they are performing well.
Origin
disputed originFrom fair-weather + fan, drawing an analogy between good weather and trouble-free times.
When the team started losing every game, the stadium emptied because most of the crowd were just fair-weather fans.
True supporters stay loyal through every defeat, unlike the fair-weather fans who only appear when the team is celebrating a championship victory.
- 01
bandwagon fan
A fan who has shown no past loyalty to a team and supports them all because they are actively succeeding or trendy.
- 02
fair-weather friend
One who is friendly, helpful, or available only when it is advantageous or convenient to be so.
- 03
fan dance
The incremental disclosure of tantalizing bits of information.
- 04
fan the flames
To intensify or worsen an already difficult situation.
- 05
fart fan
A ceiling fan in a bathroom
- 06
hit the fan
To have a dramatic, usually negative, effect.