As Dumb as They Come: One __ Short of a Picnic
Puzzle 14 of Hot Things Piece of Cake Pack
Question is: As Dumb as They Come: One __ Short of a Picnic
and the answer is: SANDWICH
Word Meaning:
SANDWICH — A dish or foodstuff where at least one piece, but typically two or more pieces, of bread serves as the wrapper or container of some other food.
Definitions from Wiktionary.