Hark at Definition 1 of 1Pro Tip 1/3Surprised Tone Use 'hark at' to express surprise, often with a hint of mockery or irony. Hark at her, suddenly an expert in quantum physics! Pro Tip 2/3Colloquial Usage It's a casual phrase, most fitting in informal conversations among friends or acquaintances. Hark at you, have you become a gourmet chef overnight? Pro Tip 3/3British Slang Remember, 'hark at' is British slang; it's not common in American English. Hark at the Yank trying to use British expressions!