Roger Federer went a little “Serena” during his five set loss to Juan Martin del Potro in Monday’s US Open finals.

Federer cusses out chair umpire, Jake Garner, towards the end of third set because he thinks he let Del Potro challenge a call too late. But what really sets him off is Garner’s (off camera) “talk to the hand” gesture: no one tells Roger Federer to be quiet! (Except Mirka, most likely.)

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After CBS cut to commercial, Roger dropped the F Bomb, telling Garner: “Don’t fu*king tell me the rules!” *thanks to GTT reader Angie for better video + clarification on transcription!

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However, he did not follow that up with “or I’ll shove the rule book down your f’ing throat!”

You see, Roger prefers to be the shusher, not the shushee:

(Sorry, any excuse to post this one!)