make like a banana and split

A pun on banana split and split (“to depart”).

• "“Don't go anywhere,” she said, like she was a mind reader and could tell that I was already thinking that the second she turned around, me and Charlie should make like a banana and split."
• "if he's gone, maybe we should make like a banana and split. We could pack it all up and head out west somewhere."

• make like a baby and head out
• make like a tree and leave