Breaking news: According to TMZ Henry “Big Bank Hank” Jackson of the SugarHill Gang has passed away at the age of 57 years old. Jackson had been suffering from cancer.
jam (origin unknown) – 1. to drive or wedge forcibly into a tight position. 2. to fill often to excess. 3. to make unintelligible by sending out interfering messages or signals. 4. to force one’s way into a restricted space. 5. to take part in a musical jam session.