-- On this particular night in early February—Super Bowl Sunday—Kalanick is perched in the middle seat, flanked by two female friends. Maroon 5's "Don't Wanna Know" plays, and Kalanick shimmies. He clutches his smartphone as the three make awkward conversation.
1. to have sb/sth on one or both sides;
to dance or move in a way that involves shaking your hips and shoulders;