a person who has gained some advantage by pure luck; usually used in a negative manner; commonly used in the phrase "Even a blind squirrel finds an acorn every once in a while"
That d bag blind squirrel beat me to the light because I was busy doin the booty scoot.
After receiving head, shoot a load all over her eyes while she proceeds to suck on your nuts. She cannot see and has nuts in her mouth as would a blind squirrel.
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.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).