har UK /hɑː/US /hɑɹ/exclamation 1noun 1forms 1 exclamation1 •A sound of laughter, sometimes with a sarcastic connotation.Armorer: 'THIS BE THE AERIAL ANVIL! NEED AN ARMOR UPGRADE? IF YOU NEED SOMETHING FORGED, I'M YOUR FELLA! HAR HAR!' — 2014 noun1 •(dialect) A hinge. formshars