Surprising a cat . . . with a cucumber?! Do cucumbers surprise cats? What is this?
It has to do with a cat finding the cucumber where they're not expecting it to be. For instance, while it's eating if you sneakily place the cucumber behind it, then the cat may get surprised because it wasn't there when it started eating and it generally views its food bowl as a safe area.
I'd love to understand how her mind decided that asking her girlfriend about a hickey is more embarrassing than asking about a kiss, but the end result was delightful nonetheless