I will knock yo ass out
When someone says 'I will knock yo ass out' they really mean they will hit you until your face looks like a pancake.
'I will knock yo ass out' he said, then he hit me until my face looked like a pancake.
'I will knock yo ass out' she said during the math test, and she made me look like a pancake.
'I will knock yo ass out' he said in a text, and then he did it during the football game.