Min-Min Day Share definition Flag A Min-min day is just a really fuckled up way to say minimum day at school. Ronny: It's a Min-Min Day! Matt: A what? Ronny: A Min-Min Day! Matt: Oh, gotchya.A. Min-Min Day by Matt at. February 8, 2008 0 0 Get merch Get the Min-Min Day mug. Buy Now — $32.95 See more merch