Does Grandma play a trick on Jay?

The boys joke about selling Grandma's hair to the army to use as barbed wire, they joke about the fact that someone "dropped a horse" on Grandma and she still hasn't gotten over it. In Lost in Yonkers, laughter is a medicine, a respite from the hardships of life, a way of coping with tragedy. Grandma is not afforded much humor, but the grandsons, third-generation immigrants, are able to see the humor in their circumstances more clearly.