F. Exley Fan’s Notes 158: [S]educing a ‘nice’ girl was hard work. [...] One huffed and puffed [...] meeting convulsive, furious hands all the way. [. . .] and if one was not too drunk or hadn't developed ‘blue balls’ (like a fierce hand squeezing the genitalia purple), one went miraculously on.at blue balls (n.) under balls, n.