What is the definition of Mailing Human Experiments?

"Mailing human experiments" is a rather cheeky phrase that humorously refers to a dark and twisted scenario where researchers, instead of using ethical, scientifically sound methods, send unsolicited packages (literally or figuratively) filled with bizarre, disturbing, or even life-altering substances directly to people's doorsteps.

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Here's a spine-chilling example sentence: "In the lab, Dr. Sneaky-Scientist decided to 'ail human experiments' by sending test tubes of fear-inducing hallucinogens to the local diner's regulars, hoping they'd start questioning their daily coffee routines."