When you dress someone down and then use the phrase "...so don't tell me about some ________ " (< their bullshit claim) is called: Not Taking Shit From Anyone.

Calling bullshit is what many people appreciate. There are some fence-sitters that will talk about style this/that, but if you watch this clip (and since neither Wallace or Biden is interrupting the President), he is literally stomping a hole in Biden's ass.