Every possible secretion emanating from a human body is considered a precious bodily fluid. Sweat, blood, menstruative residue, plasma, feces (solid or liquid will work here), ejaculate, urine, bile, phlegm, pus and last but certainly not least...vomit.
That dolt Wilmer Beesley was obsessivecompulsive about collecting Precious Bodily Fluids. He particularly enjoyed the specimens he pilfered from various dank and humid dirty public toilets in large train stations.
When an normal-but-embarrassing offensive-noise/odor-producing event of the digestive/respiratory system (burp, cough, sneeze, etc.) "doesn't end well", producing messy/mortifying "secondary" results.
After freeing the women he took out an unripe banana, gave it to his DREAM in Bodily Form and said to her: "make sure he has a day he won't forget". After seeing the executioner get destroyed by his dream, he knew this was the slut he was dying for