An incredibly ugly person that looks that they evolved in a bad way compared to the rest of man-kind
DAMN He’s ugly he looks like he got hit by natural selection.
by yourlocaldilf May 3, 2023
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1. The mod that was known to be good before 2.0

2. A mod made by Flayra, the guy who gets controlled by the fanboys and top clans

3. A mod that requires teamwork that most people don't have

4. A mod that flayra re-designedto a 6 VS 6 clanmatch games
by Anonymous October 31, 2003
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The BEST Half-Life modification (after DOD)
Dude, CS is gay and its full of 8 year old kids and whiners and hackers and the mod himself has no teamwork at all. Natural-selection is a strategy and action mod that requires lots of teamwork and skilled players to win. go download it at www.natural-selection.org
by Gungsta-Pasta June 24, 2003
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An ass-kicking Half-Life Mod
No way dude, CS is so gay, lets play some Natural Selection!
by Duff-Man February 12, 2003
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when an event occurs naturally, especially involving animals
John: I hit and killed a deer today.
Paul: I think that's illegal.
John: How? Isn't it natural selection anyway? I naturally hit it?
by WiseElf August 30, 2015
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A mod for half-life that used to require team-work but now really is now just 'okay'...newbs invaded...
"OMG HOW DO I BITE????" (arsey)
by Peter morris February 10, 2004
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1.otherwise know as "survival of the fittest"
2.Socially, natural selection argues that the best and fittest society would be one where its' individuals look out only for themselves and would advance themselves, if possible, at the expense of others. It would even destroy others if possible. Thus barbarianism is demanded by natural selection with the destruction of the weak and the free domain of the powerful. It demands total annihilation of anything weaker than necessary and the ruling of anyone more powerful than others
3.discourages vaccines, hospitals, nursing homes, and schools for the disabled
4.encourages events like the ruthless takeover of the Native Indians of North America, and the destruction of the Jews in the Holocaust
5. Name all who kill as better
The world is full of interdependence and it makes natural selection unthinkable. How did lungs form if lungs are necessary for our lives from the start? How did we reproduce if it took millions of years for our reproduction systems to evolve? Reproduction was necessary for survival but how could natural selection create this? One sex had to exist before natural selection would bring another sex into existence. How did the first sex get there and how did reproduction take place while the other sex was forming? Or, are we to believe that they just both formed independently perfectly suited for one another?
by kh March 25, 2004
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