1. in a manner that is extremely funny or amusing; hilariously
Usage: informal; often used as an intensifier with adjectives like 'funny' or 'amusing'

Examples

• The comedy sketch was howlingly funny.
• Her attempt to sing opera was howlingly bad.
• The movie's absurd plot was howlingly entertaining.
• He told a howlingly ridiculous story that made everyone laugh.
• The situation became howlingly obvious once we had all the facts.