squirrelly |ˈskwər(ə)lē|adjective1 relating to or resembling a squirrel : the chipmunks were little squirrelly things.2 informal restless, nervous, or unpredictable.• eccentric or insane.
Isn't it funny that to "squirrel something away" means to save it for a rainy day, yet squirrelly is synonymous with being nutty?
On a totally related note, Pink Squirrel Press presents:
In this collection you'll find five summery tales from both sides of the Atlantic.