Someone who is not altogether in the mental sense; nevertheless someone who can be considered a blundering dumbass.
Dude 1: Why is that guy rolling little pieces of crap into shapes?
Dude 2: I believe he is "a few sandwiches short of a picnic" better let him be.
Dude 2: I believe he is "a few sandwiches short of a picnic" better let him be.
by Nameless Here Forevermore July 16, 2008

Someone who is not altogether in the mental sense; nevertheless someone who can be considered a blundering dumbass.
Dude 1: Why is that guy rolling little pieces of crap into shapes?
Dude 2: I believe he is "a few sandwiches short of a picnic" better let him be.
Dude 2: I believe he is "a few sandwiches short of a picnic" better let him be.
by Nameless Here Forevermore July 16, 2008

Oh dear Giselle, I'm afraid that we are a few sandwiches short of a picnic, we will just have to manage on caviar and champange.
by Sir Ranulph Twistleton middle 'C' on the piano February 12, 2007
