You declare Shananagans on someone when they have cheaply tricked you in anyway.. whether it buying something, or doing something that you end of feeling scammed. Once declared, you are then allowed to take a broom and beat the crap of whoever you declared it on.
The towns people of South Park declared Shananagans on the carnival folk when they found out the prizes, food, and rides all sucked.. especially the line ride.
law that states, that nonsense actually makes sense,
states that sillyniess is next to happiness sometimes the best time is had when we can just act like little children also states that 89% of the time ETHAN NELSON is right 100%of the time in 47 states and 2 foreign countries