The Sperm Wars — Michael Foster

If you mix the sperm of two men, the sperm will go to war like two armies. On a navy ship two young sailors get involved in their ship's sperm wars. The sailors compete to see who has the toughest sperm.
This is an allegorical novella, examining masculinity and violence.
"i have been completely obsessed with the idea of this book for over twenty years." - Eric Yoshiaki Dando, author of cult novel "snail".