The number one way to use it is when something great happens "weh weh motha fuck!"
Carl: weh weh my man!
Ex 2: susan: You wanna get dinner?
Zack: Hell no weh weh!
Ex3: Damn your sister is hot weh weh, i would love to weh weh all over her.
Ex4: I wanna weh weh your mother!
Ex5: (GHS BASEBALL) Game winning walk off by orts.
dugout: WEH WEH MOTHA FUCKKKKK!!!!!