Forminating Share definition Flag 1. to extend one's self on its own. 2. overage 3. to spill over into something else; excess A: "What are you looking at?" B: "I'm trying to see if my car is forminating over the line!!!" Forminating by The Burke December 13, 2008 0 0 Get merch Get the Forminating mug. Buy Now — $32.95 See more merch