a seven-day wonder

Fig. a person or a process supposedly perfected in only seven days. (Sarcastic.) Tommy is no seven-day wonder. It took him 6 years to get through high school!

Common Names:

Name	Pronounced	Usage
Witherspoon	['wiðə.spu:n]
Chiranjivi	-	Indian, Hindi, Telugu
MathÉO	-	French
Marlin	MAHR-lin	English
Tianna	tee-AN-ə	English (Modern)
IvanČIca	-	Croatian