Pettiest thing you have done?

What is the perriest thing you have done, could be in a romantic relationship, to an ex, friend, stranger, colleage or at work?

I was driving on a 30km/h road close to a school, then i had to stop because a woman was crossing on a cross walk, this guy behind me started honking like a maniac and throwing angry gestures with his hands so after the cross walk it was 50km/h but i just continued driving 23 - 25km/h all the way he was behind me he was very angry.
Pettiest thing you have done?
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