A sandwich comprised of marshmellows/jet-puff cream, peanut butter or Nutella, and Nutter Butters, with an extra Nutter Butter placed on top for effect.
"Would you like another fluffernutteranothernutterbutter, hm?"
"I've lost all respect for Steve... He's officially a Fluffernutteranothernutterbutterlover."
The noise made by butt cheeks flapping together as gas is expelled violently. This usually occurs after consuming several bean burritos, drinking a warm coke and jumping on a trampoline.
George sure is noisy today. He has a terrible case of flutterbutt