An ex-Buffalo Bills linebacker was arrested in Tennessee for allegedly pulling a gun on a group of teenagers playing ding-dong ditch.

Jimmy Robinson Jr., 43, was arrested last week for allegedly hunting down five teens who were ringing doorbells and running away in his neighborhood — and forcing two of them out of their car at gunpoint, said Mt. Juliet Police Lt. Tyler Chandler.

The former pro-footballer, who spent one season with the Bills in 2001, was charged with aggravated assault.

Robinson — who now works as an EMT with the Nashville Fire Department — posted bail and was released from Wilson County Jail Friday morning, The Nashville Tennessean reported.

The Nashville Fire Department said Robinson was assigned to desk duty, pending an internal investigation.

One of the pranksters was charged with trespassing onto Robinson’s property, cops said.