Derived from its root of former NBA player Arvydas Sabonis, Sabonus means any kind of money you recive that is unexpected. Sabonis was know for standing in the key dishing out Sabonus passes. Sabonus money can be money recieved for your birthday or at a casino or any other kind of money not worked for.
"Dont loose all your money at the casino. Its ok, im playing with Sabonus money."
"Work gave be a big Sabonus cheque for vacation pay."