What I can suggest that if you are not au fait with Twitter slang is to get yourself a copy of the text and a dictionary of slang, online is probably more up to date that the hard back versions, before you see the play.
In a remarkable feat of energy and exertion, the girls will dance and speak commenting on whom they meet. "Mashing the Grove" with their arousing dance moves. "Breasts bouncing, hair flicking, coiling, knees trembling."
The Capulets' masked ball is a socially distanced, visual masterpiece. The music has a heavy beat, maybe heavy metal, and masked figures dance singly and assertively on the scaffolding tiers, all of them flinging off cloaks to reveal clothes that sparkle and shine and shimmer. The dance is more war dance than ballroom.