WCGW jumping in water wearing a wedding dress video

What Could Possibly Go Wrong? (/r/Whatcouldgowrong): The best place to learn what not to do.

"What have I done..." (/r/instant_regret): Instant Regret (in'-stint rē-gret') n. a subreddit dedicated to deliberate actions that unexpectedly lead to undesirable consequences and horrible results; things which may cause someone to say, "oh man, did I just screw the pooch!"