warm the cockles of your heart

warm the cockles of (one's) heart

To cause one to feel happy. The "cockles of one's heart" are the deepest part of oneself. Thank you so much—your kind words really warmed the cockles of my heart.
See also: cockle, heart, of, warm

warm the cockles of your heart

BRITISH, OLD-FASHIONED
If something warms the cockles of your heart, it makes you feel happy and contented. With its positive message and charming characters, this is a film to warm the cockles of your heart. In the dull grey setting, the sunny yellow colour of the house warmed the cockles of my heart. Note: Cockles are a type of shellfish. They are associated with the heart because they have a similar shape. The zoological name for cockles is `Cardium', which comes from the Greek word for `heart'.
See also: cockle, heart, of, warm