A manner adverb before 튀기다, to deep-fry in oil. In these lines the adverb almost always describes the result: fried crispy, fried thin, fried far too thick, fried perfectly, fried briefly at high heat before going into the oven. Keep 튀기다 apart from 굽다, which is grilling or baking, and 볶다, which is stir-frying in a little oil.