The highest level of a jerky act. A VERY selfish, manipulative and rude thing. Usually douchebag's display the jerkiest acts. You may also see morons, jackasses, frat boys, jocks, and anyone from New Jersey committing the jerkiest acts.
Caleb: She's not very pretty. I will never give her a chance.
Courtney: That's one of the jerkiest things I've ever heard. Just give her a chance.
The Beef-Jerkie us the one you see in the gym or on the streets that can't form a complete sentence. "Hey! Look at that Beef-Jerkie on the roids walking down the street"