Wiz Khalifa issued a serious warning to those who try to slap him on stage.

The "Black and Yellow" rapper was obviously reacting to Will Smith slapping Chris Rock at the Oscars on Sunday night, and he said if someone tries to do the same to him, bad things will occur.

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“Thank y’all for coming out," said Wiz at one of his shows. "If anybody tries to walk up here and slap me, you will get shot. I’m just letting you know right now."

Wiz has trained as an MMA fighter.  But we guess he doesn't have that much confidence in his hands.