Verb
(transitive, of an animal) To consume as part of a diet.
(transitive, idiomatic) To get stimulus from (an external object).
It seems like her boss feeds off her unhappiness.
I just feed off the energy of the audience. Larry David
A performance is only as good as the audience you are playing to. A lot of times you feed off of the audience, and we always try to give them all we've got and sometimes you don't get a lot back, but we've never been dead whenever we've performed. Kelly Jones
The biggest problems were to do with... well, to get that successful when you're so young, it attracts hangers-on, parasites, people who want to feed off you. Mike Oldfield
I have worked alone and with a cast and enjoy the process both ways. There is more back-and-forth with a full cast, and you can feed off the other actors' performance. Frank Welker
If you want to stay fit, surround yourself with a couple of chicks who are fired up, so that the one day you're not, you can feed off their energy. Gabrielle Reece
I think writers are a lot like lawyers. We feed off the misfortunes of people, even ourselves. Gail Anderson-Dargatz