1
general::
Phrase(s): collapse into something
1. Lit. to fall down into something with suddenness, as if out of energy. • She was so tired, she collapsed into the chair. • Juan collapsed into a chair and fell fast asleep. 2. Fig. [for someone] to fall into a particular kind of despair. • The poor man collapsed into a deep depression. • Scott collapsed into his own personal brand of grieving.
McGrawhill's American Idioms And Phrasal Verbs