1 definition by Spacemariles

The process a bloke undertakes when he leaves a woman at the alter in favour of a lady more likely to give him beautiful children.
Eric: Did you here about Johns Experiment?

Stuart: Yeah he left Jenny on their wedding day for Ashley with the perfect bum to boob ratio, right?

Eric: True! How's that for Selective Breeding!
by Spacemariles June 7, 2013
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