The follwing is a series of jokes by Anime Redneck from the story Blue Collar Hogwarts at Portkey.org. I thought they were pretty good.

1. If for your potions final you made a bottle of moonshine.
You Might Be a Redneck Wizard


2. If you've ever been on the cover of Broom trader magazine.
You Might Be a Redneck Wizard


3. If you've ever burned your eyebrows off trying to turn water into wine.
You Might Be a Redneck Wizard


4. If you've ever been accused of using inappropriate spells on a farm animal.
You Might Be a Redneck Wizard


5. If you've ever used the Alohamora spell to open a beer can.
You Might Be a Redneck Wizard


6. If you've ever mooned someone while on a broom.
You Might Be a Redneck Wizard


7. If you've ever tried to start a BBQ with a fire-breathing dragon.
You Might Be a Redneck Wizard

Oh I love Jeff Foxworthy! Can we make up our own.

Here's one..

8. If you've ever blasted your bum while scratching your backside with your wand.
You Might Be a Redneck Wizard

9. If youever tried to animage into a horse and became a donkey, you might be a Redneck Wizard

10. If you tend to add the word "Yeehaw" in the middle of a spell.
You Might Be a Redneck Wizard.

11. If you think Hogwarts is on the back of an ill pig on your farm.
You Might Be a Redneck Wizard.

12. If you cast a knockback jinx and fall in some cows mess.
You Might Be a Redneck Wizard.

13. If your dream working holiday is to work with muggles in an office rather than a ranch.
You Might Be a Redneck Wizard.

14. If you turn up to classes with a cowboy hat.
You Might Be a Redneck Wizard.

15. If you get sunburned below your hairline but above your shoulders.
You Might Be a Redneck Wizard.

16. If your broom is orange and christened "The General Lee."
You Might Be a Redneck Wizard.

17. If, while flying during a quidditch game, you just fly fast and turn left.
You Might Be a Redneck Wizard.