zwmg Share definition Flag A term coined on a forum. Derived from the abbreviation "omg" meaning Oh My God. Then, a Z was added to create ZOMG in caps. then, Zwmg was invented 'cause it looked cooler. sh- u like poop k- zwmg! I do not! sh- zwmg! hahaha funny. zwmg by koopa7 December 9, 2006 0 0 Get merch Get the zwmg mug. Buy Now — $32.95 See more merch
