The kids are 'bouncing off the walls'. [=the kids are very/too excited and have a lot of energy]
We were 'bouncing' some ideas 'around' for the design of the book's cover.
He was 'bouncing' a tennis ball against/off the garage door.
(..) The X Tens are online. from this laptop through our local ISP... ...racing down fiber-optic cable at the speed of light to San Francisco... ...bouncing off a satellite in geosynchronous orbit to Lisbon, Portugal. Data packets will be handed off to submerged transatlantic cables... (..)2008 TvShow: The Big Bang Theory Title: The Cooper-Hofstadter Polarization Season: 1 Episode 9