Much like the "phrase" 'omg', but meant to hold a little more energy and/or eagerness, whether due to annoyance or actual excitement. Or used just to show how educated you are in catspeak, or lolspeak.

Pronounced: Zoh-Mah-G-aw'd
qwerty: "! gay box"
qwerty: "! gay box"
qwerty: "! gay box"
qwerty: "! gay box"

PwnAge: "ZMG dood gtfo!"

or

PwnAge: "Zmg you gotta check this out, totally rawkzrs!"
by EgoWithStyle July 29, 2009
Get the ZMG mug.