Sentence:  The saga of Newt Gingrich's ethics suddenly resembles a brawl between blindfolded boxers who flail away so wildly that each lands a <WSD>haymaker</WSD> on his own jaw. 
Meaning of the word marked with <WSD> tags:  A particularly powerful punch, especially one which knocks down an opponent, thrown like a scythe chop for cutting hay, as agricultural haymakers used to have strong arms.