Top Definition
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.
by koopa7 December 07, 2006

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