"It ain't right Cletus, he wain't there when I's came."
Or
"If wain't for dat horse, I's gone to the college."
(using above contractions respectively)

EJ- "Yo you home from college yet?"
Me- "Na I wain't finish all my finals yet

Example 2:
EJ- "How good do you think this song is?"
Me- "I like it a lot but it wain't the best, I like that other one more"

Wain't going anywhere with out Richard.

I wish Bob Marley waint dead so we could see him in concert.

Chris "If y'all are leaving the house wain't for me"
Trevor "Wain't?"
Chris "Ya you have never had to wain't for something or are you making fun of the way I say wain't"
Trevor "Naw man you say wain't well, I'm making fun of the way you say wain't"

Instead of, "Dude, your gay!"
Try, "Dude, your waint!"

Instead of, "Wow, the Sens suck, they're by far the worst team in the NHL. They should move to somewhere like Hamilton or Minden where the fans aren't such crappy people."
Try, "Wow, the Sens are waint, they're by far the most waint team in the NHL. The should move to somewhere like Hamilton or Minden where the fans aren't such waint people."
Or perhaps your teacher assigns homework, you can retort with a resounding "WWAAIINNTT"