Means essentially the same thing as oh dang, but it is infused with additional win and excellent. It is, by most authorities, considered far superior to its predecessor.
Fool 1: Your mother is so obese that she generates a gravitational field which modifies the orbit of satellites in deep orbit.
Fool 2: LMNO DANG!
Fool 2: LMNO DANG!
by Xander Strike October 26, 2007