Billy-be-damned adjective 1exclamation 1noun 1 adjective1 •(informal) An expletive; accursed; damned.He's a Billy-be-damned fool if he thinks that plan will work. exclamation1 •(informal) An expletive; damn it.He whispered to Delilah and—as mad as blazes—the pair stared daggers at me and huffed off. They might hate each other, but Billy-be-damned, they hated me more. — 2005 noun1 •(informal) An expletive.It's as cold as Billy-be-damned out there.
