Being totally and completely distractible, unable to pay attention. Similar to Dug the dog in the Pixar film Up.
I've got buckle down and finish this spreadsheet for the meeting this afternoo... OH LOOK, A BUTTERFLY! No, I must concentrate, this is very import...SUDDEN URGE TO CHECK CELL PHONE. Darn it, I'm so full of squirrels today I just can't focus!
Another way of saying, Evenpeople who get most things wrong in their lives, sometimes get something right
The saying even blind squirrels sometimes get a nut can apply to tv political pundits lying to you all the time who unintentionally accidentally once in a blue moon say something politically true.
The sexual act during a good ole southern gang bang where two or more guys insert their "nuts" aka testicals into the loose lips of a large trailer park whore, making it look like a squirel prepairing its self for the long winter ahead.
When big Mike and the boys get together it will only take a few Natty Daddy's and that bitch will be stuffing the Mississippi Squirel in no time.