How do you strike the delicate balance between trash talk that's far too tame, and trash talk that's far too aggressive?
That's the quandary at heart of the silly Late Late Show sketch above, which sees Jennifer Garner and Greg Kinnear teaming up to teach James Corden how to fire an appropriate zinger from the sidelines of a basketball game.
Needless to say, he doesn't quite manage to strike the balance.
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