Jenelle became enraged at a driver for tailgating her, yelling: "Dude are you kidding me right now?"
Things escalated after he tried to get around her and cut her car off, the Daily Mail reports.
Evans, who is a mother of three, then followed the man to his house where she berated him and brandished her firearm.
Afterwards husband David Eason reprimanded her saying: "You don't follow a grown man to his f–king house."
Her son then recounted events to grandma Barbara.
"He slammed into us," Jace said. "And then mommy just points a gun at the guy and then he said 'You better not f***ing shoot.'"
Evan's has had several previous run ins with the law, arrested in 2011 for assault and later violating parole.
She was also arrested in 2012 for harassing a former roommate.
Jenelle first appeared on the second season of 16 And Pregnant and subsequently Tenn Mom 2.
