This is a catchy catch phrase where your friends will use when they get something they want or use it when they are happy. It can also be a very annoying phrase at some points. It can be used to answer questions (it means I am excited to go or yes)
Mom: -knocks on door- What's all thatscreaming I hear?
Julie: Shut up mom! I'm giving the dog a reeses dog treat... Oh god, its tongue is rather sandpapery tonight..