wayon
To express exclamation. As versitile as the word fuck.  The greatest, most ghetto-flexible word.  Especially describes surprise or annoyance.
What the wayon? (WTW)
(General Usage)

Wayon-- keep your wenis in your pants. (Female usage)

Wayon, this wig wont let up.
(Female/Male usage)

After slapin my dick in her face, she gave me the "wayon baby".
(Male usage)