straight face test

The straight face test is a human bullshit detector. If a lie is so bogus, that it can not be uttered with a straight face, it does not pass the straight face test.

Tim: Did your wife buy that bullshit about how you buying a Harley, because they get good gas mileage for your work commute?

Sully: No dude, she saw right through it; It didn’t pass her straight face test.