This word is almost as versatile as fuck or word. It can be used in a variety of ways, including (but not limited to):
1. Expressing excitment
2. A congratulatory exclamation
3. Agreement
1. JZ: Trevi, I got you tickets to the Phantom Planet concert on Thursday!
Trevi: Aww yeeeuh!
2. Anna: I got an A+ on my math test!
Trevi: Aww yeeeuh!!!
3. Anna: I hate daylight savings time.
Trevi: Aww yeeeuh.
An absolute unit that everyone loves. He's great at the parties and is extremely energetic. However when by himself he's quiet thinking to himself. This person is considered by all to be a chad.
A person you hate intensely not because they deserve such hatred but because they serve as a focus for your general hatred. A healthy way to dispense with excess animosity.
Jake's not really that big an asshole. He just serves as my hate sink.