A one day wonder noun phrase
Used to indicate something or someone that is effective, successful, or interesting for a short amount of time
My kids are very excited about their new toy but I know it is just a one-day wonder.
These days, the phenomenon of a one-day wonder is becoming more popular with younger people as they are always looking for new emotions.
The excitement and danger caused by taking part in activities, especially sports or entertainments
To be very wet
Because of forgetting bringing an umbrella, I look like a drowned rat when it rains.