bounce (something) back and forth
1. Literally, for two or more people to bounce something, typically a ball, between them. It's nice to see the kids out in the back yard bouncing a ball back and forth.
2. To discuss something. I bounced the idea of becoming an actress back and forth with many people before discussing it with my parents.
3. To consider or change between several options. In this usage, a noun or pronoun is not usually used between "bounce" and "back and forth." No, I haven't settled on a college yet—I'm still bouncing back and forth between a few options.
bounce something back and forth
1. Lit. to bat, toss, or throw something alternately between two people. (Usually a ball.) The two guys bounced the ball back and forth. John and Timmy bounced it back and forth.
2. Fig. to discuss an idea back and forth among a group of people. Let's bounce these ideas back and forth awhile and see what we come up with. The idea was bounced back and forth for about an hour.