Shaky People Are "Bullshit Artists" and "Sociopaths" (People who Socially Prey on People).
Most Shaky People Either WANT Money or Sex Out of You and Will FUCK YOU OVER ANYTIME THEY CAN.
IN THE REAL WORLD, SHAKY PEOPLE CAN BE FOUND AS POLITICIANS, LAWYERS, DRUG DEALERS, PROSTITUTES, MINISTERS, INSURANCE SALESPEOPLE AND SALES PEOPLE IN GENERAL.
2. When something is just plain wrong.
Friend 1: "Oh man, I completely forgot to meet my girl for our anniversary date!!!"
Friend 2: "You so shaky!"
Friend 1: "Dude, this chick is drunk at every single party."
Friend 2: "She so shakyyyyy!!!!"