cockles of heart

cockles of (one's) heart

The deepest part of oneself. Often used in the phrase "warmed the cockles of (one's) heart." Thank you so much—your kind words really warmed the cockles of my heart.
See also: cockle, heart, of

cockles of (one's) heart

One's innermost feelings: The valentine warmed the cockles of my heart.
See also: cockle, heart, of
References in periodicals archive ?
Rochdale lad Riccardo, 13, blew away the coaches by taking on Leonard Cohen's Hallelujah, while cute rapper Lil' T, 10, from Leicester, warmed the cockles of hearts with Skepta's Shutdown.