Yup, that's me, all right! I'm quick as a shadow and nimble as a [pause, while her mental animal-simile bank comes up frustratingly blank] nything!

Did I see you while I was out there? It sure sounds like you saw me! [It also sounds like this person didn't see the part where she biffed a landing and skidded halfway down a wet branch on her butt, which is a relief. It only happened once!]