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1.
An enthusiastic jeer where the prolongation of the end of the word depends on desired effect. I.e. whuaaaaaaa/wuaaaaaah

It is usually used for hilarious outcome or general day to day use. The expression is derived from the mating noise of a species of bird and the immaturity of school kids. The more you use it, the better it sounds.

Example of proper use of the word:
Facial expressions may also be used for emphasis.
"Whuaaaaaaa, yo momma gimme juice!" or "I fell off my bike" "whua (wuah)!"
by Mother Goose! August 08, 2008

Words related to whua (wuah)

waaaah wah wha whua whuaa whuaaa wuaaah wuah