Dropping Knowledge Bombs

When an individual drops a particularly insightful piece of knowledge on another individual in an unexpected situation causing a monumental efffect, like the effect of a bomb dropping.

Did you know that the first crusade was launched in order to pillage the holy land and increase the circulation of gold and silver coinage in northern-europe?

No i didn't, and i don't want you dropping knowledge bombs on me while im trying to shark on a girl in a nightclub