Bounce an idea off (of) (one) phrase informal
To tell someone about an idea to receive feedback on it or to know whether they like it or not.
The teacher encouraged me to bounce ideas off him.
We are bouncing ideas off each other for a film concept.
In order to formulate such a creative project, I bounced ideas off my teacher before embarking on it.
The verb "bounce" must be conjugated according to its tense.
The origin of this phrase is not clear.