Top definition
Something extremely adverse (see: negative).
The torrential rains had a megative effect on my golf game.

I hope my addition to the Urban Dictionary does not megatively affect Roy Blount's on-going efforts to be honored in a similar fashion.
by Tad McDonald February 02, 2009
Get the mug
Get a megative mug for your mom Nathalie.
The absolute opposite of negative, even more so than positive.
Franklin: "Dude, she has lots of money and huge titties!"
Stuart Skauge: "Megative!"
by Tween October 06, 2005
Get the mug
Get a Megative mug for your sister-in-law Julia.
When your Ex is trying to replace you with someone that resembles you but is a lesser version
Did you see the girl Roger is talking to she is such a megative of Jen
by CertainlyCecil May 05, 2017
Get the mug
Get a Megative mug for your daughter Helena.