this word is mainly used as a 'sound effect' in daily life, including but not limited to: martial arts demonstrations, extreme yo-yo, and most star wars reenactments. can also be used as a greeting.
Greg: "Hello there!"
Shelby K.: "PHWUAH PHWUAH!"
Greg: "...and then I went like this *hand motion* PHWUAH PHWUAH!"
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