the penny drops

(British & Australian)

if you say the penny drops, you mean that you have finally understood something It was only when I saw Ron's car outside Penny's house that the penny finally dropped and I realised they were having an affair.

See spend a penny

Common Names:

Name	Pronounced	Usage
Berengaria	-	Ancient Germanic (Latinized)
Latonya	-	African American
Iris	IE-ris (English), EE-ris (German, Dutch), EE-rees (Finnish, Spanish)	Greek Mythology, English, German, Dutch, Swedish, Norwegian, Danish, Finnish, French, Spanish
Olufunke	-	Western African, Yoruba
Sundara	-	Hinduism
Luella	loo-EL-ə	English