heap coals of fire on someone's head

== English == === Alternative forms === heap coals of fire upon someone's head === Etymology === An allusion to Romans 12:20 in the Bible. === Verb === heap coals of fire on someone's head (third-person singular simple present heaps coals of fire on someone's head, present participle heaping coals of fire on someone's head, simple past and past participle heaped coals of fire on someone's head) To excite remorse in someone by returning good for evil.