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
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Man leggings. Underamour leggings worn under regular pants in cold weather. Nuff said.
Aren't you cold!?
No way, I got my meggings on!
by AXOPrincess December 05, 2010
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short and sweet just like her name..a hot girl with a lot of potential for lovin. shes always got some man chasing after her and she has really cool friends (but nobody likes them).
Guy 1: have you seen meg lately? shes looking pretty fine
Guy 2: yea i really wanted to ask her out but shes already got 3 boyfriends
Guy: my life is over without meg
by watsher lover May 04, 2005
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When a person let's a ball go between their legs and in that case should be referred to as a slut.
Eww she just got megged.
by M0nkeyButl3r September 05, 2016
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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
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to do a meg is to do something incredibly blond.
obama is the first black candidate for priminister of america'
turn left at the end of the road' (then turns right)omg, what a-meg
by Da Scrummage King April 30, 2010
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