How to play banana

So Isabelle wanted to wrestle, and I wasn't up for so much activity. She proposed a number of variants on wrestle, like "naughty horse," which involves her riding on me and tipping her onto the floor.

Looking for redirection, I said, "Let's play..." and I couldn't come up with anything, so, stalling for time, I said, "Let's play banana."

Frown. "How do you play banana?"

uhh... "You walk along, and then you say, 'woops I slipped on this banana.'"

"Great idea!" she exclaims.

Next thing I know we are playing a game that involves throwing yourself on the floor and blaming it on a piece of fruit.

Have to be quicker, next time.