Sentence:  And in every way that mattered his life story proved that we were wrong to listen to him, because at the end of the long slide lay only a degraded, <WSD>priapic</WSD> senility, or the desperate gaiety of Prince Prospero's court with the Red Death at the door. 
Meaning of the word marked with <WSD> tags:  Related to or overly concerned with male sexual activity or exhibiting excessive male sexual activity.