1) A spelling bee that the participants are very young, namely kids in kindergarten and 1st grade. The age of the participants often result in funny misspelllings.
The term "Shell of Beer" stems in Huron County Michigan from local watering holes where a 10 ounce glass is used instead of a pint or mug. Usually cost around $1.00 of draft beer.
Hey Bar maid... Can I have a Shell of Beer? While you're at it get one for the guy at the end too.