Muffin_Pop is a term used to define the sound when you are cooking some love, and your sausage 'accidentally' breaks into the love kitchen ahead of schedule. An unlubricated *POP* signifies the trophy sound that you can brag to your friends about after you dump your load into the nearest cum dumpster.
A ridiculously oversized beverage container that is significantly larger on its top than on its bottom, allowing one to fit the drink into a standard car beverage holder. Popularized with the emergence of "super-sized" meals and their very large accompanied drinks, and with half-gallon sized slush drinks and sodas at convenience stores.
Woman 1: You are so fucking annoying, can you please shut up?
Woman 2: Bitch, I will pop you in the muffin.
Woman 1: What does that mean?
Woman 2: I will fuking hit you in the vagina if you don't stop complaining, stupid slut.