Similar to being called a "mudblood" in Harry Potter. It means that you're a mutated being in human existence. Often used as a very rude insult maintaining that you are superior to them.
Person 1: I don't want to go to work today...
Person 2: Go straddle a narwhal, you chlorinated gene pool.
6π 23π
Expression used when someone dies doing something stupid. Can alternatively be used for the deaths of people deemed unworthy of reproduction.
Likens the dead to microbes in a metaphorical gene pool, chlorine being a chemical used to kill microbes in actual pools.
βDid you hear about the robber who got killed robbing a 7-Eleven with a fake gun?β βMore chlorine in the gene pool, huhβ
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