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.
by Trevi October 27, 2003
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