rocking
adj.adj. describing something that is very good, exciting, or impressive. You can also use it to describe someone who is wearing a piece of clothing or a style very well.
adj. excellent, impressive, or highly enjoyable. In a more specific sense, it describes the act of wearing or displaying a particular item of clothing or a physical attribute with confidence and style.
That new band was absolutely rocking last night.
She was rocking a vintage leather jacket that made everyone in the room look twice.
The atmosphere at the stadium was rocking as the home team scored in the final minutes, securing their place in the championship for the first time in a decade.
From rock + -ing.
Often used in the progressive form with 'to be' when describing fashion choices.