1. In an uncomfortable sentence, it is used to break the awkwardness/make everyone laugh.

2. It can also be used to attract attention to something.
1. Sara: Hey, how are you?
Jane: I'm good, how about you?
..................
Sara: AOWH!
Jane: hahahahaha!

2. Sara (hot guy walks by) AOWH!
by bahsara123 February 17, 2010
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