* the twenty fell on me
Idiom USED Frequently BY Almost Everyone
It is a way of saying you realized or remembered something.
"Iba a traer a María al colegio, pero después me cayó el veinte de que se iba a quedar en casa de Julia."
"I was going to pick up Maria from school, but then the twenty fell on me that she was staying over Julia's house."
Submitted August 2020 by marroqueen