Meaning of the word "drop on" in English

What does "drop on" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

drop on

US /drɑp ɑn/
UK /drɒp ɒn/

Phrasal Verb

1.

to visit someone unexpectedly or without an appointment

Example:
I decided to drop on my friend's house on my way home.
They just dropped on us without calling first.
2.

to inform someone of something, often a secret or surprising piece of information

Example:
He decided to drop on his boss the news about his resignation.
Don't just drop on me such a big secret all at once!