ballin' the jack

C2Railroad

(historical, technical)Operating a train at maximum speed, often associated with the slang term for a locomotive.

Example

• The engineer was known for ballin' the jack when the tracks were clear.

C2Sexual Connotation

(slang)Engaging in sexual activity, often used in blues and jazz music.

C1General Use

(informal)Moving quickly or energetically in any activity.

Example

• He was ballin' the jack down the highway to make it on time.

C2Dance and Music

(historical, informal)Performing a lively and energetic dance popularized in the early 1900s.

Example

• The band played a tune that got everyone ballin' the jack on the dance floor.