When you proceed to shit in someone else's dishwasher, and if your not in Arizona you have to turn the heat on in the house, and then you run tthe dishwasher!!! Creating a musty feceies concoction!! Yep!
Gus: Hey Peabody have you been working in the garden again? it looks like you got dirt under your nails.
Peabody: Geez errr that's just Mudfinger, Clarice needs to stop buying our tp at the five and dime, that shit is see-through.
Mix Middle and finger together and now you a nice insult! Now you don't need to raise your middle finger if your old and crippled. This is what it means: Your the reason God created the middle finger