Shadamones/shadamone. A person who's soo shady, they emit shady pheromones as well. These pheromones are called shadamones, and rather than triggering a sexual response, they trigger suspicion in people who come into contact with them. Transmitting shadomones is not a good thing because unlike a good liar, you can't hide, over shadow, or explain them. Those who smell your shadamones will know right away you are shady on a whole different level, and avoid you from the get go.
:I could sense his shadamones before he I even said hello"
"His shadamones are soo strong, I can feel them a mile away"
"He wreaks of shadamones, don't trust him"