Sentence:  Both artists were charming, shameless and cruel, and revelled in what Bacon called an “atmosphere of threat”. Often on the run or hiding out, they led <WSD>priapic</WSD> private lives: Bacon was homosexual, Freud hetero. 
Meaning of the word marked with <WSD> tags:  Related to or overly concerned with male sexual activity or exhibiting excessive male sexual activity.