He tried to learn about the latest bands so he could impress his 'hip' new college friends.
She and her sister used to be 'joined at the hip' [='inseparable'] when they were kids.
I admit I'm 'shooting from the hip' here, but I think it's a decent idea.
(..) In Havana Si, senorita, I know... that when I chicky boom It's very nice so fuII of spice I pIace my hand on your hip And if you wiII give me your hand Then we shaII try Just you and I - Not bad. - Shut up and heIp me down. I'II teach you to chick-chicky boom Chick-chicky boom (..)1994 The Mask