Somebody or Somebodys, after calling people and asking 'Who Got?' so many damn times simply began employing the phrase to mean almost anything, including 'What's up?' , 'Excuse me?' , 'Hell yeah!' etc...
Sometimes it is still used to find out who got.
Guy to other guy, upon meeting: "Who got!?!"
Guy 1: "I'm hungry, let's go to pizza hut, pizza hut's the shit!"
Guy 2: "Who got!"