Idiom
squirrel something away
Theme: SAVING
to hide or store something. (Folksy.)Billy has been squirreling candy away in his top drawer.I've been squirreling away a little money each week for years.
Slang
squirrel something away
Theme: SAVINGS
tr. to hide something in reserve.Here is some food. I squirreled it away in my suitcase.She had squirreled away quite a fortune.