Michael Rapaport perfectly captured what all of us were feeling when someone other than Sylvester Stallone won the Best Supporting Actor award Sunday night ... "WHAT THE F**K IS GOING ON?!"
You gotta watch the video ... Rapaport goes off when Stallone was upset by someone named Mark Rylance.
"YOU MOTHER F**KERS! WHO THE F**K IS THIS?!"
By the way, Sly's friend Arnold Schwarzenegger also had a message for the actor -- but there's not as much yelling and cussing.
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