Sentence:  Junkyard Dog always stopped for lengthy bathroom breaks by announcing his intentions in advance, using a different euphemism every time, saying, to name a few, "I have to: <WSD>drop anchor</WSD>... do some paperwork... lay some foundation... pinch a loaf... lighten my load...." 
Meaning of the word marked with <WSD> tags:  To release feces into a toilet etc.f: to defecate.