"Whoa-oa-oa-oa -- !"

Nimona's arm wobbles like an overcooked spaghetti noodle with each emphatic shake. Literally, by the second or third one: going with the flow, she shifts her paw and arm to make them extra-floppy so Elsie can shake them as hard as she wants.

And by the fourth or fifth one, she's completely dissolved into delighted giggling.