1
general::
Phrase(s): flood in(to something)
1. Lit. [for a fluid] to flow quickly into something in great volume. • The water flooded in and soaked the carpets. 2. Fig. [for large amounts or numbers or people or things] to pour or rush into something. • The people flooded into the hall. • We opened the door, and the dogs and cats flooded in.
McGrawhill's American Idioms And Phrasal Verbs