pour one's heart out

Verb

pour one's heart out (third-person singular simple present pours one's heart out, present participle pouring one's heart out, simple past and past participle poured one's heart out)

1. (idiomatic, intransitive) To express one's innermost thoughts or feelings effusively.
   • He poured his heart out to them, so as he never could in any other company, where he hath generally passed for being moody, or supercilious and silent.1852, William Makepeace Thackeray, chapter 29, in The History of Henry Esmond, Esq.
   • [S]he would be all the better for pouring her heart out freely, and would be glad to do it, if she were sure of sympathy1860, Nathaniel Hawthorne, chapter 7, in The Marble Faun