Probably, "I have a great idea, guys! We've already made a frog-creature and a giraffe-creature, so I really feel that we've explored the animal kingdom. But get this: what if we had a vegetable-creature? Maybe one the looks kinda like an ear of corn. Whaddya think?"
Yes-men proceed to assure frantically that the idea is genius and doesn't suck at all. Then the idea gets sent down to the animators, and bob's your uncle.