Answer:
I hold two meanings. With one I may be broken, with the other I hold on. What am I?
Whoever makes it tells it not. Whoever takes it knows it not. Whoever knows it wants it not
What can be cracked before it's used?
As a state in the USA, I am round on both sides and high in the middle. What am I?
I travel in a gaggle.
I flow from the Homerβs mouth when he sees doughnuts.