Here you go:
Druid
Yo mana is so fat, Wild Mushrooms reduce your "Focus".
Yo mana is so fat, you find a Taco Bell in Emerald Dream.
Mage
Yo mana is so fat, it eats the Polymorphed enemies to gain Mana.
Yo mana is so fat, if there are no food tables at the moment, Mana turns to Rage.
Yo mana is so fat, Invisibility costs %101 of your mana.
Yo mana is so fat, when you cast Blink, you /blink instead.
Monk
Yo mana is so fat, you /cry when you cast Keg Smash.
Yo mana is so fat, you have to Roll to travel.
Yo mana is so fat, drinking Mana Tea makes you explode.
Yo mana is so fat, Mana Tea transforms into Mountain Dew.
Paladin
Yo mana is so fat, casting Hands will make your hands bigger so you can grab more food.
Yo mana is so fat, at 5 Seals you teleport to Arctic lands and eat seals till you freeze.
Yo mana is so fat, your Sunwalker Kodo mysteriously disappears.
Priest
Yo mana is so fat, typing /stare makes enemies cast Prayers.
Yo mana is so fat, you get food poisoning when you Devour a Plague.
Yo mana is so fat, when you pick the Twist of Fate talent, you can't play Twister anymore.
Shaman
Yo mana is so fat, Rockbiting gives you a Flametongue.
Yo mana is so fat, you Earthquake when you jump.
Yo mana is so fat, you drown when you cast Water Walking.
Warlock
Yo mana is so fat, Life Tap removes your stomach.
Yo mana is so fat, Hellfire burns your fat and you explode.
Yo mana is so fat, you get stuck in Demonic Gateway.
Yo mana is so fat, you search for food when Rain of Fire hits like a noodle.
Yo mana is so fat, you envy your Succubus and feel sexy then try to Seduce enemies, but they get stunned instead.
That's all folks.
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