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To do something so stupid, crazy and nonsensical, that normal people can't even understand what you were possibly thinking or how you could have done that.
Andy: Dude, I can't understand what you were thinking. Why would you set fire to your own porch?

Zach: Yeah, what was I thinking? I totally Pooped In the Shower on that one.
by Buffman6236 December 29, 2011
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