Jah (from Jahova, or Yawheh) is the Supreme Being of Rastafarianism. The god of that religion. Jah bless is the equivalent of god bless you.
by rudeboyitalian January 19, 2011
Get the Jah blessmug. Get the Jah blessmug. Get the Jah blessmug. Get the Jah blessmug. 