To argue from emotions without much logical thought. From the "This little piggy" story. The last little piggy "cried wee, wee, wee all the way home." It was use by Barack Obama in August 2009 to describe Washingtonians. To say it came from urinating would not have a coherent meaning. It may have been a spontaneous term that filled the niche at that moment.
The birthers don't look at the evidence and all wee-weed up.