A term of respect in greetings, farewells or appreciation among friends or acquaintances denoting solidarity. Sometimes used loosely for those of similar race where blood stands for Brotherly Love Overcomes Oppression and Destruction. Safe stands for 'thats good'. A greeting or farewell with this term is usually syncronised with the touching of fists to reinforce the phrase, where the clenched fist represents black power.
Friend1: "Safe blood, how is your life treating you."
Friend2: "Not bad. I hope your family are well."
Friend1: "Safe blood they're good. Well anyway I got to get on this so we catch up soon."
Friend2: "Yeah safe."