WOO WOOO

It is a sound your car makes when you have wistle tip welded inside your muffler. It is also a saying people use when they have uncontrolable excitement.

its on a car, in california, and will spread elsewhere. aka, a whistletip. they r cool and annoying and will b heard from miles away.

something that really awesome ppl say or have as their aim icon

Is and expression of excitement usually said when you see something nice , beautiful, or horrible. It also can be use to shorten a conversation when the situation being explained is long without going into to much detail.