Top Definition
The Darwinian notion that only those traits best suited to perpetuate the species will endure to be passed along indefinitely from generation to generation while those traits most detrimental to the good of the species will be phased out after a few generations.
This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest. - Charles Darwin, Origin of Species
by mta3000 October 16, 2010
When you go through your list of fuck buddies and friends with benefits and choose the fittest girls and get rid of all the munters until eventually you're left with the fittest ones.
"I don't know which one I like the most?"
"Go all survival of the fittest on them dude"
by Elach April 08, 2015
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