the penny drops(redirected from penny drops)
the penny drops
I finally understand. Typically used in the past tense. When Liam drew the diagram, the penny dropped, and everything became clear to me.
the penny dropsmainly BRITISH
COMMON If the penny drops, someone finally understands or realizes something. In the end the penny dropped. That was why she sent us back. It's only recently the penny's begun to drop that, actually, the new job is probably better than the other one. Note: This expression probably refers to slot machines (= machines for playing games), which only operate when you put in a coin.